TIER1-PAS-1581 and TIER1-PAS-WAND-BRUSH. The Tier1 PAS-1581 Replacement for Watkins 31489 Pool and Spa Filter fits systems that use 5 7/8-inch diameter by 10 1/2-inch length filters. Tier1 Pool and Spa filters will protect your investment engineered to outperform the competition and exceed your expectations. Featuring high durability filter fabric that maintains strength even when loaded with sediment, a tighter porosity and denser weave to capture more in less time, and a high strength, high flow core designed to support the filter while providing industry leading flow rates. Tier1 Pool and Spa filters will clean your water faster and more efficiently with less wear and tear on your pump. Dive in with Tier1, the water's great!
Replacement for Watkins 31489, Filbur FC-3915, Unicel C-6330, C-6430, C-6430RA, Pleatco PWK30, PWK30-M, PWK30-4, SD-00328, 71825, 73178, 73250, P/N0969601, PDC510-AFS, SD-00704, CCP389 filtration cartridges
The pleated fabric filter maximizes contact between filter media, allowing for greater capacity and reduction; the durable & washable 30 sq ft fabric has tight porosity and a dense weave which sifts out unwanted hair, leaves, dust, sediment, sand, and more with a high strength, high flow design.
The cartridge is designed for systems that use a 5 7/8 inch (Outside diameter) x 10 1/2 inch (Length) spa or pool filter.
Easy to Install & Maintain: Fits and performs just as well as the original equipment manufacturer product; it is recommended that you change your pool or spa filter when the pressure gauge on the filter tank reaches 8 psi above the pressure recorded when first installed.
Quality Standards: Tier1 filters pass rigid design, manufacturing, and filament testing delivering a product that is built for performance and priced for value.