The SPA FROG® Mineral Cartridge for In-line and Floating Systems.
In-line System is built right into the spa and uses the same mineral and bromine cartridges as the SPA FROG® Floating System.
For easy top loading of replacement cartridges, simply open the cap, pull up the holder and snap them in.
Cartridge lasts upto 4 months
Replace the cartridge when you change the water every 3 to 4 months
To buy extra hot tub test strips click here: Hot Tub Test Strips
Manufacturers CodePart Number: 2167664524
Brand: Spa Frog
Please note all Hot tub Parts sold are UK Spec, which means designed for 230 V at 50Hz
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