Wall Grouting Box February 10, 2018February 10, 2018 EnvirotechMounting Options Dwyer Instruments Wall Grouting Box is a Mild Steel Powder Coated Box with Stainless Steel Front Flush Plate for mounting Differential Pressure Gauges into Brick Walls / Modular Walls. Specifications: AC: 220V/2200W Weight: 60kg Size: 105*50*105cm Capacity: 20L