RU 2 - ready bored 24 mm. dia Rotoflexi rubber element only R2 Alfa 50 K02 Type G7 Type GU7- pilot bored ALFA 55 K2-FRV 6 40P K2 55 K2 1/2 GAS 145°C 70P K 2N Rotofluid Alfa 80P K 2N AFF 8 Rotofluid Alfa 55 K2 ROTOFLUID 40/P FPG 37.06 2726P 143-08 Rubber Element R6 Rotofluid Beta 60J 170