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Water Filters Home > AllPure Water Filters > AllPure PT-4.0 Reverse Osmosis System


AllPure PT-4.0 Reverse Osmosis System


AllPure PT-4.0 Reverse Osmosis Water Filter System
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 Product Code: PT-4.0 		 
  • AllPure PT-4.0 Reverse Osmosis System:
  • We distribute compatible water filters for the AllPure PT-4.0 Reverse Osmosis System.
  • These replacement filters are also used with AllPure Model PT-4.0/P reverse osmosis system with booster pump.
  • AllPure PT-4.0 RO System Stages:
  • Stage 1: The SDF-25-1005 Filter is a 5 Micron Sediment Filter used in the first housing. The Stage 1 filter should be changed every 2-6 months. AllPure Part # SF-4001 Compatible.

  • Stage 2: The CB-250-975-05 5 Micron Carbon Block Filter is used in the middle housing. The Stage 2 filter should be changed every 6-12 months. AllPure # CF-4000 Compatible.

  • Stage 3: The TW30-1812-36 RO Membrane goes in the housing on top of the RO system. The Stage 3 RO membrane should be changed every 1-3 years. AllPure Part # MF-4009 Compatible.

  • Stage 4: The IAC-10 inline filter is the 4th stage and is installed on top of the RO membrane. The IAC-10 filter has 1/4" FPT inlet/outlet. The Stage 4 filter should be changed every 6-12 months. AllPure Part # 1F-4002 Compatible.
  • AllPure PT4.0 Reverse Osmosis System Parts & Accessories:
  • Order the OR-38 replacement o-rings for the slim line reverse osmosis housing sumps.
  • AllPure AP-4.0 Filter Change Intervals:
  • The filter change interval will vary due to your water quality and the amount of water used.

We distribute compatible filters for the AllPure PT-4.0 Reverse Osmosis System. See the Replacements tab above for more information on each stage and the compatible filters for each stage.

Stage 1: SDF-25-1005 - Part # SF-4001 Compatible
Stage 2: CB-250-975-05 - Part # CF-4000 Compatible
Stage 3: TW30-1812-36 - Part # MF-4009 Compatible
Stage 4: IAC-10 - Part # 1F-4002 Compatible

These filters can be purchased below.

 Replacement Filters and Parts
Reverse Osmosis Membrane White Housing Reverse Osmosis Membrane White Housing
Dow Corning 111 O-Ring Silicone Lubricant (5.3 oz. Tube) Dow Corning 111 O-Ring Silicone Lubricant (5.3 oz. Tube)
American Plumber, Culligan, Pentek OR-38 O-Ring American Plumber, Culligan, Pentek OR-38 O-Ring
Liquatec IAC-10 Inline Coconut Carbon Filter Liquatec IAC-10 Inline Coconut Carbon Filter
Liquatec PM-3000 TDS Pocket Meter Liquatec PM-3000 TDS Pocket Meter
Dow Filmtec TW30-1812-36 Reverse Osmosis Membrane Dow Filmtec TW30-1812-36 Reverse Osmosis Membrane
Liquatec CB-250-975-05 Carbon Block Water Filter Liquatec CB-250-975-05 Carbon Block Water Filter
Liquatec SDF-25-1005 Sediment Water Filter Liquatec SDF-25-1005 Sediment Water Filter
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