Complete Rims system ready to hook up to your pump. Choose an element of a size and density to suit your project from the 2400w, 3600w or 4800w elements (2400watt supplied if not specified).
Each tube comes with 3/4" Triclover connections and is supplied with 2 x 3/4 clamps and 2 x 3/4 triclamp to 1/2Bsp threaded adaptors.
There is a 1/2" bsp thread in the cap to accept your temperature probe.