SP Bel-Art Roto-Flo Polystyrene Flow Indicator for ³/₁₆ to ¼ in. I.D. Tubing (H19937-0001) Blue, 3/16" - 1/4" ID auspowers_batchfour Master Volume Control

Master Volume Control

Features a crystal clear LCD screen by bright blue back light

totally 180 yard

while the twist-off tops let you refill them with less effort

such as Garmin Nuvi 2797LMT 65LM 2757LM Magellan Roadmate TomTom MP4 MP5 and so on

SP Bel-Art Roto-Flo Polystyrene Flow Indicator for ³/₁₆ to ¼ in. I.D. Tubing (H19937-0001) Blue, 3/16" - 1/4" ID auspowers_batchfour Master Volume ControlSP Bel Art Roto Flo Polystyrene Flow Indicator for to in. I. D. Tubing (H19937 0001) Size: Blue, 3 16" 1 4" ID Brightly colored, blue polypropylene paddle wheel spins when gas or liquid flows through a system providing immediate visualization of flow. Molded clear polystyrene body with smooth connecting barbs for easy installation. Internal flow channel diameter is 5mm, paddle wheel shell is 25mm, overall length is 51mm. Maximum recommended pressure