The PureT RO550-905 Compatible 5 Stage Reverse Osmosis Replacement Filter Bundle delivers a complete set of universal-fit filters for standard 50 GPD reverse osmosis systems, including the membrane. This full-service bundle fits any RO system accepting 10-inch slimline cartridges and provides comprehensive sediment, carbon block, membrane, and polishing filtration stages.
SPECIFICATIONS
Complete Filter Bundle Overview
Daily Capacity
50 GPD
Gallons per day output
Filtration Stages
5 Stages
Complete system refresh
Filter Dimensions
2.5" × 10"
Universal slimline fit
Compatibility
Universal
Fits most 50 GPD RO systems
Membrane Included
Yes
50 GPD RO membrane
Post Connection
1/4" NPT
Stage 5 inlet/outlet
TECHNICAL DETAILS
Stage-by-Stage Filter Specifications
| Stage 1 Sediment Filter | 5 micron sediment cartridge, removes dirt, rust, and particulates |
| Stage 2 Carbon Block | 5 micron carbon block, removes chlorine, VOCs, and taste/odor |
| Stage 3 Carbon Block | 5 micron carbon block, additional chlorine and contaminant reduction |
| Stage 4 RO Membrane | 50 GPD thin-film composite membrane, removes dissolved solids and contaminants |
| Stage 5 Polishing Filter | Post-membrane GAC polish with 1/4" NPT fittings, final taste and odor improvement |
| Filter Housing Compatibility | Universal 10" slimline housings with 2.5" diameter capacity |
| Model Compatibility | PureT RO550-905 and equivalent 50 GPD reverse osmosis systems |
COMPATIBILITY & APPLICATIONS
Universal Fit for Standard RO Systems
This PureT RO550-905 compatible bundle works with virtually any standard 50 gallon per day reverse osmosis system that accepts 10-inch drop-in cartridges. The universal 2.5" × 10" slimline sizing ensures compatibility across brands including iSpring, APEC, Express Water, Waterdrop, and Home Master systems using the same dimensional standard. All five stages are included in this bundle, eliminating the need to source the membrane separately. The Stage 5 post-filter features 1/4" NPT threaded connections on both inlet and outlet for secure inline installation. Ideal for residential under-sink installations, this complete replacement set restores full system performance in one convenient package.
💧 Replace pre-filters (Stages 1-3) every 6-12 months depending on source water quality, the RO membrane (Stage 4) every 2-3 years, and the post-filter (Stage 5) annually. Timely replacement prevents membrane fouling and maintains consistent water quality.
