Toggle Nav
Cart
Quote
Search
Advanced Search
Menu
Account

X-Ray Markers

Items 3529-3552 of 11285

Set Ascending Direction
  1. Clinton Model 86100 E-Series Power Table with One Piece Flat Top Clinton E-Series Power Table with One Piece Top
    MSRP $1,711.46 MSRP $1,711.46 $1,365.00
  2. Clinton 9820 Contour Tec-Cart Mobile Work Station Clinton Contour Tec-Cart Mobile Work Station
    MSRP $752.79 MSRP $752.79 $601.00
  3. Clinton EX1-S Standard Exam Room Sign 1 Clinton Standard Exam Room Sign 1
    MSRP $36.12 MSRP $36.12 $29.00
  4. Clinton EX2-S Standard Exam Room Sign 2 Clinton Standard Exam Room Sign 2
    MSRP $36.12 MSRP $36.12 $29.00
  5. Clinton EX3-S Standard Exam Room Sign 3 Clinton Standard Exam Room Sign 3
    MSRP $36.12 MSRP $36.12 $29.00
  6. Clinton EX4-S Standard Exam Room Sign 4 Clinton Standard Exam Room Sign 4
    MSRP $36.12 MSRP $36.12 $29.00
  7. Clinton EX5-S Standard Exam Room Sign 5 Clinton Standard Exam Room Sign 5
    MSRP $36.12 MSRP $36.12 $29.00
  8. Under Pad Mount Phenolic Hourglass Arm & Hand Surgery Table: Single Leg (MCM337) or Double Leg (MCM338) Under Pad Mount Phenolic Hourglass Arm & Hand Surgery Table
    MSRP $1,600.00 MSRP $1,600.00

    Starting at $1,436.00

  9. MCM770 Stainless Steel Ventric Stand 30 Stainless Steel Ventric Stand
    MSRP $2,015.00 MSRP $2,015.00

    Starting at $1,858.00

  10. Model P-SS Pediatric Spinal Stole - Regular Lead Pediatric Spinal Stole - Regular Lead
    $81.00
  11. Ped Pal Radiation Shield - Kitty Design Ped Pal Radiation Shield - Kitty
    $136.00
  12. OmniMed 307021 Stainless Bulk Dispenser - Single Compartment Stainless Bulk Dispenser - Single Compartment
    MSRP $211.10 MSRP $211.10 $207.00
  13. OmniMed 307022 Stainless Bulk Dispenser - Double Compartment Stainless Bulk Dispenser - Double Compartment
    MSRP $253.30 MSRP $253.30 $248.00
  14. 18 18" x 20" Disposable CR/DR Cassette / Receptor Covers with Zipper Closure
    MSRP $80.00 MSRP $80.00

    Starting at $69.00

  15. 22 22" x 24" Disposable CR/DR Cassette / Receptor Covers with Zipper Closure
    MSRP $80.00 MSRP $80.00

    Starting at $69.00

  16. General Sandbag - 8 Piece Variety Set General Sandbag - 8 Piece Variety Set
    $334.00
  17. Pediatric Sandbag: 3 lbs - Size 5 Pediatric Sandbag - 5 Piece Set
    $176.00
  18. 10 Lbs Single Sandbag - Size 11 AC Joint with Wrist Grip 10 lb Sandbag

    Starting at $63.00

  19. Clinton Model 1020 Classic Series Treatment Table with Adjustable Backrest & Shelf Clinton Classic Series Treatment Table with Adjustable Backrest & Shelf - 27" Width
    MSRP $654.12 MSRP $654.12 $522.00
  20. Clinton Model 1702 Taping Table with Full Shelf Clinton Taping Table with Full Shelf - 30" Width
    MSRP $605.73 MSRP $605.73 $483.00
  21. Clinton Model 1703 Taping Table with End Shelf Clinton Taping Table with End Shelf - 27" Width
    MSRP $679.12 MSRP $679.12 $542.00
  22. Clinton Model 1703 Taping Table with End Shelf Clinton Taping Table with End Shelf - 30" Width
    MSRP $716.19 MSRP $716.19 $571.00
  23. Clinton Model 3013 Alpha Series Treatment Table with Adjustable Backrest, Shelf & 2 Drawers Clinton Alpha Series Treatment Table with Adjustable Backrest, Shelf & 2 Drawers - 30" Width
    MSRP $1,179.20 MSRP $1,179.20 $940.00
  24. Clinton Model 6190 Classic Series Bariatric Treatment Table with Shelf Clinton Classic Series Bariatric Treatment Table with Shelf - 78"L x 30"W x 31"H
    MSRP $931.89 MSRP $931.89 $743.00
Page
per page
Shop By
Search by
  1. Category All Products Remove This Item
Clear All
Shopping Options
Category
  1. Clinical Equipment 1638item
  2. Diagnostic Imaging 630item
  3. Education 2106item
  4. EMS Supplies 188item
  5. Filing & Storage 980item
  6. Infection Control 395item
  7. Laboratory 1803item
  8. Medical Labels 717item
  9. Medical Lighting 95item
  10. MRI Products 284item
  11. Nuclear Medicine 6item
  12. Operating Room 386item
  13. Patient Positioning 670item
  14. Patient Transfer 42item
  15. Physical Therapy 145item
  16. Radiation Protection 378item
  17. Safety 360item
  18. Stretchers 41item
  19. Tables 451item
Box Capacity
  1. 1 18item
  2. 2 21item
  3. 3 21item
  4. 4 14item
  5. 5 5item
Material
  1. Black Acrylic 1 item
  2. Carbon Fiber 1 item
  3. Clear PETG 1 item
  4. Lexan 1 item
  5. White Acrylic 2item
  6. Birch Wood 6item
  7. High Density Foam 1 item
  8. Lightweight Lead 5item
  9. Lead Free Axion Core 1000 5item
  10. Lead Free Axion Core 2000 5item
  11. Lead Free Axion Core 3000 5item
  12. Maple Laminate 6item
  13. Polycarbonate 11item
  14. Polyurethane 8item
  15. Combo 3item
  16. Maple Wood 12item
  17. Oak Wood 6item
  18. Wire 2item
  19. SheerCare 37item
  20. UltraCare 37item
  21. Acrylic 63item
  22. Aluminum 72item
  23. Aluminum & Plastic 12item
  24. Aluminum & Steel 58item
  25. Aluminum, Steel & Plastic 21item
  26. Magnetic 5item
  27. Metal 18item
  28. Nylon 4item
  29. Painted Steel 17item
  30. PETG 174item
  31. Polymer 9item
  32. Plastic 93item
  33. Polypropylene 2item
  34. Stainless Steel 115item
  35. Steel 295item
  36. Vinyl 2item
  37. Comfort Navy Vinyl 11item
  38. 4 Way Stretch Medium Blue 11item
  39. Tan Vinyl 7item
  40. TR-90 Nylon 1 item
  41. Vinyl Coated Aluminum 14item
Number of Drawers
  1. 1 8item
  2. 2 18item
  3. 3 36item
  4. 4 68item
  5. 5 75item
  6. 6 96item
  7. 7 19item
  8. 8 51item
  9. 9 7item
  10. 12 5item
  11. 13 7item
  12. 14 4item
Lock Type
  1. Electronic - Standard Lock 12item
  2. Electronic - Standard Lock Individual Drawer Sensor 12item
  3. Electronic - Individual Drawer Lock/Individual Drawer Sensor 12item
  4. Auto Lock 27item
  5. Breakaway 84item
  6. Combination 1 item
  7. Digital Keypad 86item
  8. Electronic Lock 12item
  9. EMS - Entry Management System 8item
  10. Key 342item
  11. Keyless Entry 5item
  12. Latch 7item
  13. No Lock 28item
  14. Push Button 2item
  15. Quick Release 4item
  16. Tubular 10item
Number of Flags
  1. 1 2item
  2. 2 2item
  3. 3 2item
  4. 4 2item
  5. 5 2item
  6. 7 2item
  7. 8 2item
  8. 9 2item
  9. 10 2item
  10. 11 2item
  11. 12 2item
Flag Length
  1. 4" 11item
  2. 8" 11item
Door Style
  1. Single 67item
  2. Double 113item
  3. Triple 5item
  4. Quad 7item
  5. Glass 130item
  6. Tambour 16item
  7. No Door 6item
  8. Solid 193item
  9. Stainless Steel 13item
  10. Panel-Ready 2item
  11. Foam 6item
Channels
  1. 8 3item
  2. 12 3item
  3. Single 3item
Cabinet Capacity
  1. 4 Bronchoscopes 2item
  2. 16 Bronchoscopes 1 item
  3. 4 TEE Probes 1 item
  4. 8 TEE Probes 1 item
  5. 5 TEE Scopes 1 item
  6. 6 Scopes 4item
  7. 8 Scopes 2item
  8. 10 Bronchoscopes 1 item
  9. 10 Scopes 14item
  10. 14 Cystoscopes 1 item
  11. 14 Scopes 12item
  12. 16 Scopes 9item
  13. 24 Dilators 6item
  14. 36 Dilators 2item
  15. 4 Robotic Adapters 1 item
  16. 8 Robotic Adapters 1 item
  17. 4 Small-Diameter Endoscopes 2item
  18. 8 Small-Diameter Endoscopes 1 item
  19. 4 Large-Diameter Endoscopes 3item
  20. 8 Large-Diameter Endoscopes 3item
  21. 9 Large-Diameter Endoscopes 3item
  22. 18 Large-Diameter Endoscopes 3item
Cart Capacity
  1. 200 Punch Cards 1 item
  2. 240 Punch Cards 1 item
  3. 300 Punch Cards 1 item
  4. 360 Punch Cards 1 item
  5. 400 Punch Cards 2item
  6. 450 Punch Cards 1 item
  7. 540 Punch Cards 1 item
  8. 550 Punch Cards 3item
  9. 600 Punch Cards 2item
  10. 650 Punch Cards 1 item
  11. 700 Punch Cards 5item
  12. 850 Punch Cards 1 item
  13. 294 Unit-Dose Boxes 1 item
  14. 4 Scope Trays 2item
  15. 6 Scope Trays 2item
  16. 8 Scope Trays 1 item
  17. 10 Scope Trays 2item
Brand
  1. 3B Scientific 529item
  2. AC Wellman 172item
  3. accucold 227item
  4. Action Products 94item
  5. American Diagnostic Corporation 131item
  6. AttenuTech 27item
  7. Biodex 17item
  8. bionet 8item
  9. Blickman 151item
  10. Brewer Company 49item
  11. Bridge Healthcare 12item
  12. Burton Medical 59item
  13. CanDo 66item
  14. Capsa Healthcare 80item
  15. Clinton Industries 666item
  16. Columbus Healthcare Products 55item
  17. COMPULOCKS 13item
  18. David Scott 136item
  19. DETECTO 100item
  20. DOMICO Med-Device 154item
  21. EdanUSA 48item
  22. Globe Scientific 629item
  23. HAG 1 item
  24. Harloff 410item
  25. Health o meter 72item
  26. Lakeside Manufacturing 94item
  27. MDPro 10item
  28. Mid Central Medical 111item
  29. MIR 4item
  30. Nasco 1393item
  31. Oakworks 34item
  32. OHAUS 49item
  33. Omnimed 229item
  34. Paragon 22item
  35. Pedigo 102item
  36. Pegasus Medical 36item
  37. Phillips Safety 574item
  38. Pivotal Health Solutions 170item
  39. Poltex 258item
  40. PRESTAN 64item
  41. Protection Products 23item
  42. RC Imaging 37item
  43. RSD 97item
  44. RadScan Medical Equipment 35item
  45. Schuremed 75item
  46. Shielding International 104item
  47. Suremark 69item
  48. Surgical Tables 25item
  49. Techno-Aide 390item
  50. Trulife 53item
  51. UMF Medical 89item
  52. Universal Medical 15item
Volume
  1. 1 mL 4item
  2. 2 mL 6item
  3. 4 mL 3item
  4. 5 mL 10item
  5. 10 mL 5item
  6. 25 mL 3item
  7. 50 mL 2item
  8. 125 mL 4item
  9. 250 mL 6item
  10. 400 mL 1 item
  11. 500 mL 5item
  12. 600 mL 1 item
  13. 1000 mL 6item
  14. 2000 mL 6item
  15. 3000 mL 3item
  16. 4000 mL 3item
  17. 5000 mL 2item
  18. 0.1 - 2.5 uL 1 item
  19. 0.5 - 10 uL 3item
  20. 2 - 20 uL 3item
  21. 5 - 50 uL 3item
  22. 10 - 100 uL 3item
  23. 20 - 200 uL 3item
  24. 30 - 300 uL 2item
  25. 100 - 1000 uL 1 item
  26. 500 - 5000 uL 1 item
  27. 1000 - 10000 uL 1 item
  28. 2.5uL 1 item
  29. 5uL 1 item
  30. 10uL 1 item
  31. 20uL 1 item
  32. 25uL 1 item
  33. 50uL 1 item
  34. 100uL 1 item
  35. 200uL 1 item
  36. 250uL 1 item
  37. 500uL 1 item
  38. 1000uL 1 item
  39. 2000uL 1 item
  40. 5000uL 1 item
  41. 10000uL 1 item
Frame Shape/Style
  1. Aviator 1 item
  2. Cat Eye 2item
  3. Fit Over 2item
  4. Oval 3item
  5. Oversized 1 item
  6. Rectangle 40item
  7. Rectangle, Wrap Around 6item
  8. Round 6item
  9. Square 22item
  10. Wayfarer 2item
  11. Wrap Around 9item
Weighing Range
  1. 62 g Capacity, 0.1 mg Readability 1 item
  2. 82 g Capacity, 0.1 mg Readability 1 item
  3. 82 g Capacity, 0.00001 g Readability 1 item
  4. 82 g / 120 g Capacity, 0.01 mg / 0.1 mg Readability 2item
  5. 82 g / 120 g Capacity, 0.00001 g; 0.0001 g Readability 1 item
  6. 120 g / 220 g Capacity, 0.01 mg / 0.1 mg Readability 2item
  7. 120 g Capacity, 0.01 mg Readability 2item
  8. 120 g Capacity, 0.1 mg Readability 5item
  9. 120 g / 220 g Capacity, 0.00001 g; 0.0001 g Readability 1 item
  10. 160 g Capacity, 0.001 g Readability 1 item
  11. 220 g Capacity, 0.01 mg Readability 2item
  12. 220 g Capacity, 1 mg Readability 2item
  13. 220 g Capacity, 0.001 g Readability 3item
  14. 220 g Capacity, 0.1 mg Readability 5item
  15. 320 g Capacity, 0.1 mg Readability 3item
  16. 320 g Capacity, 0.01 g Readability 1 item
  17. 320 g Capacity, 0.001 g Readability 2item
  18. 420 g Capacity, 0.001 g Readability 2item
  19. 420 g Capacity, 0.01 g Readability 1 item
  20. 420 g Capacity, 1 mg Readability 2item
  21. 520 g Capacity, 0.001 g Readability 4item
  22. 520 g Capacity, 0.01 g Readability 1 item
  23. 620 g Capacity, 1 mg Readability 2item
  24. 620 g Capacity, 0.001 g Readability 3item
  25. 620 g Capacity, 0.01 g Readability 2item
  26. 820 g Capacity, 0.01 g Readability 2item
  27. 1200 g Capacity, 1 mg Readability 2item
  28. 1520 g Capacity, 0.01 g Readability 2item
  29. 1600 g Capacity, 0.01 g Readability 2item
  30. 2200 g Capacity, 0.1 g Readability 4item
  31. 2200 g Capacity, 0.01 g Readability 7item
  32. 3200 g Capacity, 0.01 g Readability 1 item
  33. 4200 g Capacity, 0.1 g Readability 3item
  34. 4200 g Capacity, 0.01 g Readability 6item
  35. 5200 g Capacity, 0.01 g Readability 2item
  36. 5200 g Capacity, 0.1 g Readability 1 item
  37. 6200 g Capacity. 0.1 g Readability 2item
  38. 6200 g Capacity, 0.01 g Readability 5item
  39. 6200 g Capacity, 1 g Readability 1 item
  40. 8200 g Capacity, 0.1 g Readability 4item
  41. 8200 g Capacity, 0.01 g Readability 2item
  42. 10200 g Capacity, 0.1 g Readability 2item
  43. 12000 g Capacity, 0.1 g Readability 1 item
  44. 12200 g Capacity, 0.01 g Readability 2item
  45. 24000 g Capacity, 0.1 g Readability 1 item
  46. 35000 g Capacity, 0.1 g Readability 1 item
  47. 65000 g Capacity, 0.1 g Readability 1 item
Sterile
  1. Non-Sterile 92item
  2. Sterile 72item
Manufacturer
  1. 3B Scientific 529item
  2. Accucold 227item
  3. Action Products 94item
  4. Advanced Ultrasound Solutions 4item
  5. AERO Healthcare 194item
  6. AllCraft Wellman 173item
  7. Allen Medical 57item
  8. Bio Plas Inc 48item
  9. American Diagnostic Corporation (ADC) 131item
  10. Arden Label 668item
  11. Aspen Surgical Products 2item
  12. Belintra Inc. 5item
  13. Bemis Health Care 11item
  14. Benchmark Scientific 284item
  15. Biodex 17item
  16. Bionet America 8item
  17. Blickman 151item
  18. Brandtech Scientific 195item
  19. Burton Medical 59item
  20. Capsa Healthcare 84item
  21. Casco Manufacturing Solutions 49item
  22. Champion Healthcare Solutions 35item
  23. Clear Image Devices 15item
  24. Clinton Industries 666item
  25. Columbus Healthcare Products 55item
  26. Compulocks Brands Inc 13item
  27. Creative Living Medical 88item
  28. David Scott Company 136item
  29. Detecto Scales 100item
  30. Domico Med-Device 154item
  31. Drucker Diagnostics 17item
  32. EdanUSA 48item
  33. F & L Medical 10item
  34. Fabrication Enterprises Inc 66item
  35. Fiberlock 4item
  36. Flokk/HAG 1 item
  37. Flow State Innovation 5item
  38. Geneva Healthcare 15item
  39. Globe Scientific 629item
  40. Harloff 410item
  41. Heathrow Scientific 221item
  42. Heustis 2item
  43. HK Surgical 14item
  44. Hoshizaki America 20item
  45. International BioMedical 1 item
  46. International Plastics 1 item
  47. ISI Medical 56item
  48. IV-Glove Inc 3item
  49. IZI MEDICAL 3item
  50. Koolmore Supply Inc 11item
  51. Kopp Development 2item
  52. Kull Industries 8item
  53. KyphoLift 3item
  54. Lakeside Manufacturing 94item
  55. Lee Plastics 6item
  56. Let's Gel 8item
  57. LW Scientific 35item
  58. Medegen Medical Products 9item
  59. MidCentral Medical 111item
  60. Migali Scientific Refrigeration 11item
  61. MiniGrip 1 item
  62. Modern Way Immobilizers 9item
  63. MRI Med Inc 13item
  64. MTC Bio 200item
  65. Nasco 1393item
  66. NEST Scientific Inc. 34item
  67. New Pig Corporation 7item
  68. Newman Medical 21item
  69. Newmatic Medical 1 item
  70. NextVein LLC 1 item
  71. Novum Medical Products 27item
  72. Oakworks Inc 34item
  73. Octostop 12item
  74. Ohaus Corporation 49item
  75. OmniMed Inc 229item
  76. Paragon Pro Inc 22item
  77. Parker Laboratories 20item
  78. Pedigo 102item
  79. Pegasus Medical Concepts 36item
  80. Pelstar LLC 84item
  81. Phillips Safety Products 620item
  82. Pivotal Health Solutions 170item
  83. PlastiProducts 12item
  84. Point A Technologies 3item
  85. Poltex Inc 258item
  86. Preferred Medical 45item
  87. Prestan 64item
  88. Protection Products Inc 23item
  89. R&B Wire Products 110item
  90. Radscan Medical 35item
  91. RC Imaging 37item
  92. Rice Lake Weighing Systems 36item
  93. RSD 97item
  94. Safety Stop Inc 1 item
  95. SCHMITZ medical USA LP 1 item
  96. SchureMed 75item
  97. Scientific Publishing 115item
  98. Scilutions 2item
  99. Shielding International 104item
  100. So-Low Environmental Equipment Company 140item
  101. Soyee 3item
  102. Suremark 69item
  103. Surgical Tables Inc 25item
  104. Techno-Aide 390item
  105. The Brewer Company 49item
  106. Thermco Products Inc 52item
  107. TIDI Products 16item
  108. Tower Medical 2item
  109. Training Bridge 3item
  110. Trulife 53item
  111. United Metal Fabricators 89item
  112. Universal Medical Inc. 150item
  113. Waldmann 36item
  114. Webb Manufacturing 1 item
  115. Z&Z Medical 14item
  116. MDPro 14item
GSA Contract Number
  1. 36F79724D0011 318item
  2. 36F79724D0164 75item
Availability
  1. Backordered 79item
  2. Usually Ships in 1-2 Business Days 1590item
  3. Usually Ships in 2-3 Business Days 1132item
  4. Usually Ships in 3-5 Business Days 1481item
  5. Usually Ships in 5-7 Business Days 1114item
  6. Usually Ships in 7-10 Business Days 263item
  7. Usually Ships in 10 Business Days 128item
  8. Usually Ships in 10-14 Business Days 550item
  9. Usually Ships in 15-20 Business Days 150item
  10. Usually Ships in 1 Week 506item
  11. Usually Ships in 1-2 Weeks 58item
  12. Usually Ships in 2 Weeks 168item
  13. Usually Ships in 2-3 Weeks 309item
  14. Usually Ships in 2-4 Weeks 127item
  15. Usually Ships in 3-4 Weeks 223item
  16. Usually Ships in 3 Weeks 59item
  17. Usually Ships in 4 Weeks 113item
  18. Usually Ships in 4-5 Weeks 473item
  19. Usually Ships in 4-6 Weeks 72item
  20. Usually Ships in 5 Weeks 37item
  21. Usually Ships in 5-6 Weeks 16item
  22. Usually Ships in 6 Weeks 35item
  23. Usually Ships in 6-7 Weeks 36item
  24. Usually Ships in 6-8 Weeks 124item
  25. Usually Ships in 7 Weeks 15item
  26. Usually Ships in 7-8 Weeks 14item
  27. Usually Ships in 8 Weeks 160item
  28. Usually Ships in 8-10 Weeks 59item
  29. Usually Ships in 10-12 Weeks 133item
  30. Usually Ships in 8-12 Weeks 14item
  31. Usually Ships in 12 Weeks 74item
  32. Usually Ships in 13-14 Weeks 4item
  33. Usually Ships in 20 Weeks 3item
  34. Usually Ships in 3-4 Months 11item
  35. Usually Ships in 4-5 Months 9item
  36. Usually ships in 7-10 Business Days. RX/AR Options ship in 2-3 weeks 130item
  37. Usually ships in 7-10 Business Days. AR Option ships in 2-3 weeks 20item
  38. Varies. Please contact Customer Service for availability. 2000item
Available in Rx
  1. No 24item
  2. Yes 127item
Gender
  1. Female 15item
  2. Male 22item
  3. Unisex 114item
Laser Type
  1. Alexandrite 46item
  2. Argon 36item
  3. Blue Green Beam Reduction Filter 5item
  4. Blue Green Red Beam Reduction Filter 5item
  5. Broadband 6item
  6. Carbon Dioxide (Co2) 43item
  7. Diode 85item
  8. Dye 16item
  9. Erbium Yag (Er: YAG) 37item
  10. Excimer 20item
  11. Green Beam Reduction Filter 5item
  12. Helium-Neon (HeNe) 12item
  13. Holmium 31item
  14. InGaAs 6item
  15. IPL 17item
  16. KTP 26item
  17. Nd: Yag 90item
  18. Ruby 14item
Filter Material
  1. Glass 68item
  2. Polycarbonate 156item
Certifications
  1. ANSI Z136.1 226item
  2. ANSI Z87 1 item
  3. ANSI Z87.1 224item
  4. ANSI Z87+ 1 item
  5. CE Certified 14item
  6. CE EN 207 17item
  7. NSF/ANSI 456 34item
  8. NTEP Certified 15item
Price
  1. $0.00 - $9,999.99 10921item
  2. $10,000.00 - $19,999.99 245item
  3. $20,000.00 - $29,999.99 71item
  4. $30,000.00 - $39,999.99 30item
  5. $40,000.00 - $49,999.99 8item
  6. $50,000.00 - $59,999.99 6item
  7. $70,000.00 - $79,999.99 2item
  8. $80,000.00 and above 2item
Display Type
  1. Full Color LCD Touchscreen 3item
Autoclavable
  1. No 62item
  2. Yes 14item
Assembly Required
  1. No 301item
Adjustable
  1. Yes 21item
  2. No 53item
Operating Modes
  1. Continuous 8item
  2. Touch 8item
PCR Application
  1. Real Time PCR 2item