3900 Sport WMS Assembly With O-Ring filtration-area_400-499 It has a Venturi action

It has a Venturi action top skimmer and a bottom cleaner that draws debris into the filter bag

The Pentair R173214 Replacement Cartridge Element has a media filtration area of 75 square feet and is designed for Clean and Clear 75 Square Foot Filter Systems and Predator Filters

This is a Hold Down Clamp with a size of 1

This is a Pentair 170028 Air Bleed Tube Assembly for Clean and Clear Plus 420 square foot Cartridge Filters and Quad D

Kit Contents: Sample Cup with Cap and ORP Tracer PockeTester

3900 Sport WMS Assembly With O-Ring filtration-area_400-499 It has a Venturi actionThis is a Zodiac WMS Assembly with O ring designed for the Polaris 3900 Sports Cleaners.