Air Meter Pressure Meter

Easy-to-use stainless clamping system employs four, one-piece, self-locking clamps to seal lid to base with proper tension. O-ring assures watertight seal. Easy-to-read (to nearest 0.1%) 100-inch diameter direct percentage gauge with calibration adjustments.
Features all-brass H-2785.DB super pump for reliability and faster operation. Unique pop-it valve eliminates seal failures.
Complete with high-impact horizontal plastic carrying case, syringe, tamping rod, strike-off bar and instructions.