- All filters fit Universal Fit (2.5" x 10" Slimline Series Filters)
- Stage 1: High Quality 5 Micron Sediment Filter
- Stage 2 & Stage 3: 5 Micron Carbon Block Cartridge
- Stage 4: 50 Gallon Per Day Reverse Osmosis Membrane
- Stage 5: Post Membrane Taste & Odor Polishing Cartridge with 1/4" Quick Connect Fittings "Push Fittings" on the Inlet/Outlet.
Honeywell RO-9100 Compatible 5 Stage Reverse Osmosis Replacement Filter Bundle (50 Gpd, Universal). 5 Stage Reverse Osmosis Filter Bundle. Includes all 5 stages (yes the membrane too!) at an unbelievable price. These filters are universal, so they'll fit pretty much any make or model 50 gallon per day Reverse Osmosis System that accepts 10" Tall drop in cartridges.