USES FILTER HEAD HH6962 Filter head for HF6700 Series w/1-1/4 NPTF inlet/outlet. No by-pass valve. May be drilled or tapped for DP gauge.
USES FILTER HEAD HH6967 Filter head for HF6700 Series w/1-1/2 NPTF inlet/outlet. No by-pass valve. May be drilled or tapped for DP gauge.