Field-adjustable pressure is factory set to midrange for minimal effect on flow capacity rates

Output Frequency Range: 0

Size: 20 in

Stainless steel reinforcement straps on back of unit provide strength to the four mounting screw holes

Armor Coat Hex Cap Screw Asst, 771 Pc, 24 Szs - UST900001 Nominal Size-36" X 1.31" Field-adjustable pressure is factory setHex Head Cap Screw Assortment; Type: Standard; Head Type: Hex; Material: Grade 8 Steel; Finish: Armor Coat(TM); System of Measurement: Inch; Size: 1 4 20, 3 8 16, 5 16 18; Length: 1 2 to 2 in; Drive Type: Hex; Number of Pieces: 771; Number of Sizes: 24; Includes: (10) Each: 1 4 20x1 in, (25) Each; 1 4 20x3 4 in, (30) Each: 3 8 in, (40) Each: 5 16 in, (5) Each: 3 8 16x1 1 2 in, (8) Each: 3 8 16x1 in, 3 8 in, 3 8 16, 3 8 16x3 4 in, 5 16 in, 5 16 18, 5