1.800.661.4591
Size 11.75" OD x 2.5" ID hole, Filter Paper. Per Pkg. 100 — Speed medium; Flow Rate (ml/min.) 85; Thickness 0.71; Retention (µm) 4,
Concrete Air Meter Calibrator (5%), Aluminum
Concrete Air Meter Calibrator (5%), Plastic
Scoop, One-piece Aluminum