Product Overview
Easy to use, Highly durable, Fits sump pumps with 1 to 14 inch discharge, Prevents water in discharge line from draining back in sump when pump is not running, Flapper type valve requires minimal unseat pressure, May be plumbed with accordion sump discharge hose, polyethylene PVC, or galvanized pipe, Built-in anti-airlock hole means less chance of your pump air-locking. [QTY/UOM: 1EA / 1EA]