Technical details Product code Piece/Amb Diameter Ø 300-30101 1 1/2*1/2 300-30102 1 3/4*3/4 300-30103 1 1"*1" 300-30104 1 1 1/4*1 1/4 300-30105 1 1 1/2*1 1/2 300-30106 1 2"*2" 300-30107 1 2 1/2*2 1/2 300-30108 1 3"*3" 300-30109 1 4"*4"