KF Spare O-ring

After intensive use, the O-rings need to be replaced by a new one. These O-rings do fit around the metal (or POM) centering ring.
Materials are:

– Buna             -30° to +110° Celsius
– Perbunan     -30° to +110° Celsius
– Viton             -20° to +200° Celsius
– EPDM            -60° to +150° Celsius
– Neoprene     -40° to +110° Celsius
– Silicone         -60° to +200° Celsius
– Kalrez           -20° to +326° Celsius
– Teflon           -200° to +260° Celsius