Basic Filter Housings
These housings use the four most basic cartridge sizes. Filter housings are sold as replacement parts, with mounting brackets and wrenches sold separately.
Size #1 Housings - for 2.5" x 9.75" Cartridges
This is the standard size for most undersink filters and reverse osmosis units. Housings are Flowmatic 4200 series.
(Note: We do not recommend clear housings for inline pressure applications.)
Aluminum mounting bracket with eight screws: four for attaching the filter housing to the mounting bracket and four for attaching the bracket to a wall.
Aluminum mounting bracket with ten screws: eight for attaching the filter housing to the mounting bracket and two for attaching the bracket to a wall.
Aluminum mounting bracket with fourteen screws: twelve for attaching the filter housing to the mounting bracket and two for attaching the bracket to a wall.
A solid plastic spanner wrench for opening and tightly closing Flowmatic 2.5" X 9.75" filter housings. Fits our Countertop Filters, Undersink Filters, Reverse Osmosis Units, and Pura UV1 units.
Size #2 Housings - for 2.5" X 20" Cartridges
Aluminum mounting bracket with eight screws: four for attaching the filter housing to the mounting bracket and four for attaching the bracket to a wall.
Fits Pentek housings for 2.5" X 20" cartridges, including “Classic” Pura UV20 housings.
Size #3 Housings - for 4.5" X 10" Cartridges
High quality aluminum mounting bracket with eight screws: four for attaching the filter housing to the mounting bracket and four for attaching the bracket to a wall.
Fits Pentek Big Blue housings for 4.5" width cartridges, as featured in our Compact Whole House filters and “Classic” Pura UVBB filters.
Fits Pentek Big Clear housings for 4.5" X 10" cartridges.
Size #4 Housings - for 4.5" X 20" Cartridges
High quality aluminum mounting bracket with eight screws: four for attaching the filter housing to the mounting bracket and four for attaching the bracket to a wall.
Fits Pentek Big Blue housings for 4.5" width cartridges, as featured in our Compact Whole House filters and “Classic” Pura UVBB filters.
Site Index
Filtration Systems
- Aeration for Iron & Sulfide
- Backwashing Filters
(whole house & well units)
- Chlorine & Chemical Injectors
- Countertop Water Filters
- Emergency Filters
- Garden Hose Filters
- Reverse Osmosis, Residential
- Reverse Osmosis, Commercial
- Shower Filters
- Specialty Filters
- Ultraviolet Systems
- Undersink Filters
- Water Softeners
- Whole House Filters
Cartridges
Parts
- Replacement Parts
- Faucets
- Filter Media
- Fittings
- Housings
- O-rings
- Pumps
- Pura UV
- R.O. Parts
- R.O. Tanks
- R.O. Booster Pump
- VIQUA UV