BLUMKRAFT Set of 2 Radiator Adaptors M28 x 1.5 Coterm/Cotherm (Prototype) to M30 for Thermostat/Thermostatic Head Male

Compatible with M28 Coterm: allows you to adapt modern smart thermostatic heads (smart thermostat) in M30 x1.5 to Coterm/Cotherm type radiators M28 x1.5 Compatible with Smart Home: Compatible with AVM, Devolo, Fritz!, Fritz!Dect301 and 302, Innogy, Moes, Heimeier Homematic, Honeywell, Tado, Tafo, etc. SOLID: Made in a single block of metal. Zinc and chrome coating RoHS certification: the metal adapter does not contain toxic substances. Set of 2 adapters: the package contains 2 adapters (rings) made of metal