Perma-Cast 4" Anchor Socket, Plastic | PS-4019-P Cartridge Filters Transfer the core block/plug from

Transfer the core block/plug from your old cartridge into this new one before reinstalling

Compare test results to chart below to determine appropriate amount of product necessary to make adjustment

of filtration capacity

then broadcast evenly

Perma-Cast 4" Anchor Socket, Plastic | PS-4019-P Cartridge Filters Transfer the core block/plug fromThe Perma Cast 4" Ladder and Rail Socket made from Cycolac Plastic, this socket This accommodates 1. 9" outer diameter tubing. Features and Benefits: High quality materials for durability and longevity Fabricated from Cycolac Plastic For Mounting Inground Ladders and Rails Installs in Concrete Deck