9 3/4" Omnifilter S1 / RS1-DS Pleated Cellulose 20 Mic Filter, 2-Pack

9 3/4-inch Pentek S1 / RS1-DS Pleated Cellulose 20 Mic Filter, 2-Pack
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Part Number: RS1-DS
Alt. Part Number: 155001-43, 155001-131
This item is no longer available. We have replaced it with:
9-3/4" Pentek S1 Pleated Cellulose 20 mic Filter

9 3/4" Omnifilter S1 / RS1-DS Pleated Cellulose 20 Mic Filter, 2-Pack Features:

OmniFilter is a wholly owned division of Pentek. S1 Series cartridges are manufactured from a pleated cellulose media and are designed for general water filtration purposes. The media is pleated around a polypropylene core for added strength and the ends are immersed in a thermo-setting vinyl plastisol. Embedding and sealing each end of the pleat in this fashion fuses the three components together forming a unified end cap and gasket.

  • Pleated design maximizes dirt-holding capacity
  • Designed for general water filtration purposes
  • Recommended for chlorinated water supplies
  • Economically priced

The 9-3/4" Pleated Cellulose 20 micron RS1 DS filter is manufactured by Pentek and is the same or compatible with:  Culligan S1a, USFilter/Ametek/Kleen-Plus S1, Omni RS1, American Plumber W20CLa, Ace 49641, Ace S1A ACE,  MasterPlumber TrueValue 614-800, Flotec RS2, and GE FXWPC.

Fits in the following: water filter housings: Culligan (HF-150, HF-160, HF-360, RO-2127), Omni (U25, OB1, OB5), Cuno, AquaPure, Sears, Fulflo, Teledyne Water Pik, Ace 45025 (HF-150), Ace 49560 (HF-360), Master Plumber, Flotec, Honeywell, General Electric, American Plumber(W34-PR), and most other water filter housings with 9.75" x 2.5" filters.

Note: Not recommended for well water applications.

Omnifilter S1 / RS1-DS Pleated Cellulose Filter Specifications

9-3/4" (24.8 cm)
Materials of Construction
Pleated Cellulose
Filter Life
As Needed
Filter Type
Filter Specifications
Scale Inhibitor, Sediment/Dirt/Rust
20 µm
OMNIFilter, Flotec
Operating Conditions
5 gpm
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