... /2"-4" Material: AISI304/316(L) Standard:3A,SMSSanitary Rotary Cleaning Ball,.spray ball1) Type: Fixed or Rotary or T type2 ... )Size: 1/2"-4"applied to the stainless steel pipeline system 6)Application: Pharmacy, beer, food, dairy, beverage, cosmetic, chemical industry ... ,pipe holder,manhole cover, clamp,union ,valve etc Sanitation rolling Cleaning Ball