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Environmental Designworks donates a portion of each sale to the Natural Resources Defense Council for the protection of our nation’s water resources.

Warranty:
The Sinkpositive is a user-installed, after-market accessory. The end-user assumes all responsibility for proper installation, use, and maintenance of the Sinkpositive device. Sinkpositive offers a one year guarantee on all its parts and fittings covering manufacturing other related defect. There is a 30 day money back guarantee only for returns with a Return Authorization (RA) number issued from Environmental Designworks.

Installation Requirements:
The existing toilet tank must have an “open top” overflow pipe to accept the Sinkpositive drain tube. The Sinkpositive sink is an adjustable rectangular shape best suited to fit tanks 8” (maximum front to back) x 17 - 22” wide. A slight overhang may occur but will not have an effect on the function of your toilet or the Sinkpositive device.