Made of polyacetal, Model 24M accepts air, water, or hydraulic fluid lines on two 3/8 in. inlet and four 1/4 in. outlet ports. Manifold withstands 27 in. Hg vacuum to 250 psi and -40 to +200°F. When combined with Prestomatic cartridge insert, it meets DOT FMVSS 571.106 specs.