APEC WATER ULTIMATE series CT-1SED is for RO-CTOP/RO-CTOP-C stage 1, RO-CTOP-PH/RO-CTOP-PHC stage 1 and RO-QUICK90 stage 1, compatible with all 10 inch industry standard sized water filter system
Featured with 1/4 inch quick connect fittings for easy filter change-outs
1st stage sediment filter removes dust, particles, and rust
Friction-welded construction provides a reliable, no-leak seal
Made in US for long-lasting performance