A Direct Connect (DC) comes with DC hoses that fit standard 3/8” water valves. The 3/8” DC hoses are designed to install directly to the existing cold-water valve and faucet stem under the sink, in accordance with the US Building Code. Inlet hose – 3/8″ female compression by 1/4″ standard pipe thread, outlet hose – 3/8″ male compression by 1/4″ standard pipe.

Installation instructions:
PDF / Video

Most popular options

If your water doesn’t have high sedimentation or serious heavy metals / lead levels, and fluoride removal isn’t a necessity… (about 85% of our customers go for these options):

– Under sink filters with Direct Connect (DC) fittings for standard 3/8” water valves under the sink – WD-G4-DC 

Pre Sedimentation and Advanced Removal

If you’ve noticed high levels of sedimentation in your municipal treated water and don’t have a whole house pre-sedimentation system:

– Under sink filters with Direct Connect (DC) fittings for standard 3/8” water valves under the sink – WD-D-20m-G4-DC

Intense Heavy Metals / Lead removal:

If heavy metal or lead levels are above EPA recommendations:

– Under sink filters with Direct Connect (DC) fittings for standard 3/8” water valves under the sink – WD-HMG4-DC

Fluoride and Advanced removal

If Fluoride removal is a top priority:

– Under sink filters with Direct Connect (DC) fittings for standard 3/8” water valves under the sink – WD-D-FRM-G4-DC

Happy filtering!