Acrylic Air/Oxygen Flow Meters Size:4.0 to 40.0 CFH - 1.9 to 19.0 LPM Each package will make a

Each package will make a 32 ppt salt solution at listed volume

it’s an easy upgrade for any old style filter still using filter

Available in two colors: PondTint Blue and PondTint Nite (Deep Blue)

allow 24 hours to cure fully

The egg counter is made of nontoxic

Acrylic Air/Oxygen Flow Meters Size:4.0 to 40.0 CFH - 1.9 to 19.0 LPM Each package will make aThese acrylic, block style flow meters are clear and one piece, with built in, brass, flow regulating valves suitable for air or oxygen. The scale reads in cfh. This is cubic feet per hour at standard pressure (sea level) and temperature (68F, 20C). Connections are 1 8 NPT female pipe. Price includes 1 4 barbed brass inlet and outlet adapter fittings. Calibrated at 0 psi.