certification:ISO9001:2008,ROHS,EN:2481. zinchandle,brassbody2. screwornon-screwconnector3. 3-way,4-wayt,5-way(fivefunction)orproduceaccordingtoyourrequirements4. connection:1/2 or USA,UKstandard5. thermostaticcartridge:MS,KONEORSEDAL,optional6.wecanproducebasedonyoursampleortechnicaldrawings