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


AllPure AP-4.0 Reverse Osmosis System


AllPure AP-4.0 Reverse Osmosis Water Filters System
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 Product Code: AP-4.0 		 
  • AllPure AP-4.0 Reverse Osmosis System:
  • We distribute compatible water filters for the AllPure AP-4.0 Reverse Osmosis System.
  • The AllPure AP-4.0 provides safe and better tasting water available at your sink or through your refrigerator ice maker or water dispenser. Coffee and teas will taste better, ice cubes will be clearer, and little or no scale build-up will occur in your coffee maker.
  • These replacement filters are also used with AllPure Model AP-4.0/P with booster pump.
  • AllPure AP-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 Part # 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 AP4.0 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 AP-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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