Eco-Con low temp radiators from Hydronic Heating Technologies Inc. offer low mass, fast acting heat transfer along with low-pressure drop in the convector. Standard measurements are from two to eight feet, a depth of three to 3 ¾ in. and a height of 8 to 8.1 in. Cover accessories allow the units to be joined to accommodate different space configurations. The radiators are offered in white and white with black grille and sides. Other colours are available at a surcharge.