Description Filter Loss Gauge Kit, Fluid Manometer for Air Filters, 0-500 Pa – General purpose inclined manometer designed to measure positive, negative and differential pressures – Clear plastic casing allows for continuous display the filters condition – Wall mounting plate – Range: 0 – 500 Pa What’s in the Kit: – Filter loss manometer – Red/Blue Manometer liquid (AWS10, d=0.87) – Pressure tapping points – 1-meter plastic tubing Fluid Inclined Manometer for Air Filters may vary in style from pictured