Garden Hose Check Valve Coupler / Backflow preventer
Description
A simple check valve coupler or backflow preventer for North American garden hose. <b>You need an 8-9mm ball bearing</b> or similar item to complete this. Pause your print around the 22mm point (e.g. layer 275 at 0.08mm layer height) and drop in your 8mm ball. Printed without supports with generic PLA.
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