Instrument fluid specifically for use with Dwyer instruments; available in red oil, blue oil, purple oil, green fluorescent concentrate oil, and more.  

3/4-ounce bottles of differential pressure gauge oil come in plastic bottles with a pouring spout, while larger bottles of differential pressure gauge oil come in plastic bottles with screw caps. Warning: Dwyer differential pressure gauge oil should only be used in Dwyer differential pressure gauges.

Instrument fluid specifically for use with Dwyer instruments; available in red oil, blue oil, purple oil, green fluorescent concentrate oil, and more.  

3/4-ounce bottles of differential pressure gauge oil come in plastic bottles with a pouring spout, while larger bottles of differential pressure gauge oil come in plastic bottles with screw caps. Warning: Dwyer differential pressure gauge oil should only be used in Dwyer differential pressure gauges.