Dwyer Liquid Filled Wall Mount Manometer, Mark II 25, 0-3" w.c, 3% Accuracy 0-3"WC, Red oil, 0.826 sp. gr. Size:0-3"WC, Red oil, 0.826 sp. gr. The Hillman Group 3336 1/4-20

The Hillman Group 3336 1/4-20 Square Nut Zinc Plated

2" x 2" Soft Touch Micro Mesh Pads in the following grits

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provide a consistent even grinding effect

Operation: easy to attach

Dwyer Liquid Filled Wall Mount Manometer, Mark II 25, 0-3" w.c, 3% Accuracy 0-3"WC, Red oil, 0.826 sp. gr. Size:0-3"WC, Red oil, 0.826 sp. gr. The Hillman Group 3336 1/4-20Dwyer Liquid Filled Wall Mount Manometer, Mark II 25, 0 3" w. c, 3% Accuracy The Dwyer Mark II 25 inclined differential manometer with red gauge fluid has a 0 to 3 inH2O measuring range, built in zero level and molded plastic case for monitoring air velocity and air filter performance, and taking pressure measurements above and below atmospheric pressure. Red gauge fluid is freeze proof and has lower evaporation rate for use in cold environments, and