Sure Flow - Model Series FIS -Low Cost Rate Indicators with Switch

Full scale flow ranges from 4 to 100 GPM (16 to 380 LPM) and 10 SCFM to 250 SCFM. Connection sizes from 1/2-inch to 2-inch NPT, BSP, or SAE. Construction materials: Polysulphone flow tube with Brass, Stainless Steel, or PVC end fittings. Spring loaded, mechanical design mounts in any orientation. Reads in GPM and LPM scale. Pressure ratings to 325 PSIG (liquids) and 125 PSIG (air). Clear flow tube allows for view of process and scale.