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Tier1 brand replacement for 31489 (Antimicrobial) (4-Pack)


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Fits systems that use 5 7/8-inch diameter by 10 1/2-inch length filters

Tier1 brand replacement for 31489 (Antimicrobial) (4-Pack)

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Tier1 PAS-1583 Replacement 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 contaminants 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!

  • Worry-free sediment reduction for 3 months
  • Cost-effective replacement
  • Comes with 4 filters


Package Qty 4
Replaces Filbur FC-3915
Replaces Pleatco PWK30-M
Replaces Unicel C-6330
Pool/Spa Manufacturer Tier1
Manufacturer's Id PAS_1583_4_PACK
UPC 810004471160
Bottom Hole Size 1 15/16 inches
Media Weight (oz) 3
Media Square Feet 30
Actual Size (in) 10 1/2 inches (length) x 5 7/8 inches (outside diameter)
Actual Size (cm) 26.67 x 14.9225
Primary Filter Media Antimicrobial Pleated Fabric
Filter Life (months) 3 months

The TIER1_PAS_1583_4_PACK is comparable with the following part numbers

6618, 31489, C-6330, C-6430, FC-3915, PAS-1206, PAS-1581, PAS-1582, PAS-1583, PDC510-AFS, PWK30, PWK30-4, PWK30-M