Annex Depot Inc.8mm (ID 5mm) air & water tube
Water-flow Sensor/ Counter (2mm) SKU: EWP-SNR2103B Price: $6.50
Water-flow Sensor/ Counter (G3/4) SKU: EWP-SNR106 Price: $13.50
Water-flow Sensor/ Counter (1inch) SKU: EWP-SNR108 Price: $14.50