COOLSHIRT SYSTEMS recommends regular inspection of O-rings and Lubrication every 15-30 days
Visually inspect the O-rings and mating surfaces for dirt, nicks, cuts, scratches, lint, hair, and any signs of corrosion; these could cause the seal to fail
Clean the surfaces, and lubricate or replace the O-rings as necessary
Cool Shirt Systems
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Request for return must be submitted to Customer Service within 7 days of product shipment. Product must be returned in new, unused condition. All shipping charges remain payable by the purchaser. A restocking fee may be deducted at the manufacturer's discretion.