Quick connect ends work with 1/4 copper or poly tube.
20,000-Gallon Inline KDF Filter
5 Pack Inline Post Carbon Water Filter 1/4 Quick Connector Fridge Ice-maker
HV-CTO-INLINE QC Granular Activated Carbon Filter - Hydrovos Water FIltration
Inline Filter 10″ for RO or Ice-Maker Quick Connect 1,500 Gal. #I40L-QC - Aqua Belle Water Filtration Products
Inline Water Filter Kit for Refrigerators
AdEdge QC 1/4 Inline Arsenic Removal Water Filter (AD2X10C) - Aqua Pure Filters
NeoPure Inline Carbon Block 1m CTO/Lead/Cysts - 10 x 2.5, 1/4 Push C – Fresh Water Systems
PureT (il-10w-c) 10 inchx2 inch Inline Post GAC Carbon Filter 1/4 inch NPT, Black
HV-CTO-INLINE QC Granular Activated Carbon Filter - Hydrovos Water FIltration
Inline Carbon Filter 2 x 10, 1/4 Quick-Connect - $4.28
AQUACREST 5KDC Inline Water Filter for Under Sink, Ice Maker