Continue shopping “Waterway Lid Top-Load Cartridge Filter 511-1000” has been added to your cart. Product Price Quantity Total × Waterway Buttress Tailpiece 2-1/2in. 2.5in. Slip Heater Part 417-5980 $8.99 Waterway Buttress Tailpiece 2-1/2in. 2.5in. Slip Heater Part 417-5980 quantity $8.99 × FNS Plus Quad Filter Slide Backwash Valve 263064 $91.99 FNS Plus Quad Filter Slide Backwash Valve 263064 quantity $91.99 × Waterway Lid Top-Load Cartridge Filter 511-1000 $27.99 Waterway Lid Top-Load Cartridge Filter 511-1000 quantity $27.99 Cart totals Subtotal $128.97 Total $128.97 Proceed to checkout — OR — Coupon: