The DuraChoice PB204L-V15 oil filled vacuum gauge has a 2" dial size, with 1/4" NPT lower mount fitting. It features a stainless steel case with brass fittings, and measures -30HG-15 PSI.
The DuraChoice PB254B-V15 oil filled vacuum gauge has a 2-1/2" dial size, with 1/4" NPT center back mount fitting. It features a stainless steel case with brass fittings, and measures -30HG-15 PSI.
The DuraChoice PB404L-V15 oil filled vacuum gauge has a 4" dial size, with 1/4" NPT lower mount fitting. It features a stainless steel case with brass fittings, and measures -30HG-15 PSI.