109-12/14/16/18/20/22/25/28/30/32/38/40/43/45/53/55/60/65 109-20 20mm ID Rubber Bellows Ceramic Rotary Ring Pump Mechanical SealHome Improvement > Hardware4,35 $ (≈ 3,88 €)5,00 $Auf LagerSold by AliExpress WWZum Shop