Each collection canister has a built in hydrophobic filter, which prevents any suction material from going into the Du-O-Vac Plus head assembly
When the collection canister is full, the collection canister filter acts as a sealing cap
The collection canister is SINGLE use with mL graduations and a frosted writing strip
Built in Hydrophobic filter, suction intake port with cap
Canister made of high strength K-Resin
Returns require prior written authorization within 30 days of product receipt. Please contact Customer Service and provide a reason for the return request. A restocking fee may be assessed at the discretion of the manufacturer. All items must be returned in original, unused condition free of damage. All shipping charges remain payable by the purchaser. Approval to return a product is at the sole discretion of the manufacturer.