Unicel S-1900 Circular Spin Filter Grid - 19 Inches filter-length_19 1/8 inches The Pentair Sta-Rite 177010 Cartridge

The Pentair Sta-Rite 177010 Cartridge Filter for Posi-Flo II PTM135 Filters has a media area of 135 Square Feet and is made of superior reinforced polyester pleated material with polyurethane end caps

This model does not include anchors as you may already have them installed

This is a Generic Strainer Cover and Tank O-Ring O-510 replacement with dimensions for Hayward NorthStar SP4000 and SP4000X pumps from 2003 to 2007

This is an Aquador Winter Skimmer Lid Kit for aboveground Lomart style skimmers

The AquaStar FlowStar has 2-1/2 inch outside slip and 2 inch inside slip with 2 inch threads inside the skimmer for pressure testing

Unicel S-1900 Circular Spin Filter Grid - 19 Inches filter-length_19 1/8 inches The Pentair Sta-Rite 177010 CartridgeThis is a Unicel S 1900 Ciricular Spin Filter Grid, 19 Inches in diameter with a 2 1 2 inch center. This round grid FC 9910 is the correct replacement for the Unicel S 1900. This filter grid is made from heavy duty polyester. This grid has more pleats to improve filtering capacity.