iSpring F7-CTO 10"x2.5" Standard Reverse Osmosis Water Filter 1-year Replacement Cartridges, 7-piece
$51.99
About this item
- 1-year supply of replacement filters for 5-Stage RO systems
- Includes 7 filters
- Fits 10" standard filter housings, compatible to most RO systems, includes Watts Premier, Flowmatic, PuROLine, Crystal Quest, Apec, and etc.
- Individually wrapped, fresh from factory
- Use CTO in both 2nd and 3rd stages
Frequently Bought Together

iSpring F7-CTO 10"x2.5" Standard Reverse Osmosis Water Filter 1-year Replacement Cartridges, 7-piece
$51.99
Features
- Compatible to most water filters that use 10" x 2.5" filters.
- Individually wrapped
- Removes dust, particles, chlorine, bad tastes and rust
- Good for counter top water filter, under sink water filter and aquarium
- GAC vs. CTO: GAC is loose carbon with spaces to help trap sediments, while CTO is solid carbon block with higher absorbtion compacity but easier to get clogged by sediments
- Availability: In Stock
- Model: F7-CTO
- Manufacturer: iSpring