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Increases filter efficiency
The part number on the original component is the most reliable confirmation
securing the opening frame against the pool wall and providing the finished surround for the skimmer throat
Note from Unicel: The 4CH-50 replaces cartridges that use a 1-1/2" MPT bottom fitting and match the dimensional envelope above (14 3/4" length × 4 5/8" OD)
Avoid pressure washers
Main Access Pool Step Mat for Lining Protection, 36" x 36" | 310036 DE Filter Media Increases filter efficiencyAdded Protection for Your Pool Liner Adds extra friction protection for the contact points of your pool steps to help prevent any issues with your pool liner. Measures 36 x 36 Protects your liner from abrasion Cross hatch pattern improves traction Dark color hides dirt and debris
