HF-COMB-01 Advanced Spa Filter Cartridge Combo Set of Inner & Outer Filter Replacement for Sundance 880 Series 6541-397, Outer 6473-164 and Inner 165 Blue Large filtration surface: 25-inch cartridge

Large filtration surface: 25-inch cartridge with 291 sq ft of media increases water contact time for better filtration

Pentair Bermuda Skimmer Lid 516215

lower chlorine demand

reducing backwashing frequency

HF-COMB-01 Advanced Spa Filter Cartridge Combo Set of Inner & Outer Filter Replacement for Sundance 880 Series 6541-397, Outer 6473-164 and Inner 165 Blue Large filtration surface: 25-inch cartridgeHF COMB 01 Sundance 880 Spa Filter Cartridge Set Intro HF COMB 01 is a two in one spa filter cartridge set designed for easy, reliable replacement in Sundance 880 spa systems. This ready to install kit replaces the outer filter 6473 165 and inner pre filter 6473 164, delivering a snug fit and tighter filtration for cleaner, clearer water. The cartridges use precise 19" length and 8. 4375" outer diameter, with a top slip of 2. 1875" and bottom of 4.