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Waterway Pool & Spa Heavy Duty Replacement Filter by Tier1: 5 x 13 5/16

Quick Overview

For use in spa and pool models that support R173430, 17-2482, FC-2380, R173430, 25393, Pleatco PRB37-IN-4, Dynamic and Waterway filters.

Availability: In stock



Keep your Waterway pool or spa filtration system running smoothly with this heavy duty 5” x 13-5/16” replacement filter. Higher density media gives this filter the ability to trap tiny bits of sediment, reducing the amount of particles that may pass through a standard filter. Purchasing a back-up also will give you peace of mind, as having another on hand means you won't have to wait when your water flow slows down from a dirty filter. Plus, when you buy two Waterway Pool or Spa replacement filters you get free shipping! You can save yourself time and money simultaneously! Order by 4pm CST and it will ship today!
  • Free Same Day Shipping on 2 or more
  • Denser media offers greater sediment reduction
  • Comparable replacement for 5” x 13-5/16” Waterway pool and spa filters


Package Qty 1
Replaces Filbur FC-2380
Replaces Pleatco PRB37-IN-4
Replaces Unicel C-4637
Pool/Spa Manufacturer Dynamic, Tier1, Waterway
Manufacturer's Id PAS-1446
UPC 799932634451
Bottom Hole Size 2 1/8"
Top Hole Size 2 1/8"
Media Weight (oz) 4
Media Square Feet 37
Actual Size (in) 13 5/16 inches (length) x 5 inches (outside diameter)
Actual Size (cm) 33.81 x 12.7
Filter Life (months) 3

The TIER1-PAS-1446 is comparable with the following part numbers

25393 17-2482
C-4637 FC-2380
PAS-1446 PRB37-IN-4
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