Male Xpand-N-Lok Rubber Ladder Bumper - 1.90 Inch O.D. cord-length_60 Feet calcium and total using the

calcium and total using the drop test system and EDTA titration method

it can easily be installed in tandem in order to provide less frequent filling of the feeder when used on larger pools

This o-ring is identical to these manufacturer part numbers: Advance OV11212

This item is fully compatible and interchangeable with Swimquip part # 162000

Male Xpand-N-Lok Rubber Ladder Bumper - 1.90 Inch O.D. cord-length_60 Feet calcium and total using theThe Xpand N Lok male rubber bumper is made of a durable, molded blue rubber. This rubber bumper is used on 1. 90 inch O. D. tubing with . 049 inch to . 065 inch wall thickness. Simple to install, ladder bumpers provide protection for your pool wall.