Liquid Filled Vacuum Gauges - NPT Lower Mount Made in the USA well beyond that provided by

well beyond that provided by conventional tempered glass or plastic used as sight glass windows

Double your capacity or configure your own custom system with BVV's Pre-Built 12" Collection base

Large Reservoir easily filled from outside

This 304 Stainless Steel KF-25 adapter is fitted with a 304 stainless hose barb adapter to connect a vacuum pump or vacuum oven to a flexible rubber hose

Liquid Filled Vacuum Gauges - NPT Lower Mount Made in the USA well beyond that provided byLiquid Filled Vacuum Gauges NPT Lower Mount 2 1 2" Liquid Filled Pressure Gauges Stainless Steel Case, Brass, 1 4" NPT, Lower Mount Connection Dial Size: 1 1 2", 2", 2 1 2" or 4" Dial Sizes (Crimped Casing) Accuracy: + 3 2 3% Scale: Dual Scale PSI Bar Movement: Copper Alloy* Bourdon Tube: Copper Alloy* Window: Poly carbonate Case: Stainless Steel case for protection in harsh environments Connection: Copper Alloy Lower Mount*: 1 8" NPT for 1 1 2" dial,