The ACM-37 is the “Original” Grout Demonstration Box used for determining flow rates. The ACM-37 is constructed of HDPE with dual flow configurations built in. A clear acrylic cover plate allows easy viewing while monitoring grout flow.
Conforms to ASTM C1339-02 (2012)
Shipping Info: 48” x 14” x 10” – 25 lbs.