Drain Expansion Coupling, 2 to 2 inch - Best Materials
They eliminate costly offsets normally used to accommodate expansion and contraction. Easy to use expanion joint rubber drain coupler for all types of drains and pipe types. Accommodates up to 1-1/2 inches expansion and 1/2 inch compression from the normal position. Overall length is approximately 4 inches. Made of tough flexible molded PVC.
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