Silicone rubber seals_ for GL 18 threads with PTFE washer， 16 x 6 mm

for GL 14 threads with PTFE washer， 12 x 6 mm for GL 18 threads with PTFE washer， 16 x 6 mm for GL 18 threads with PTFE washer， 16 x 8 mm for GL 18 threads with PTFE washer， 16 x 10 mm for GL 32 threads with PTFE washer， 29 x 10 mm for GL 32 threads with PTFE washer， 29 x 12 mm for GL 32 threads with PTFE washer， 29 x 14 mm for GL 32 threads with PTFE washer， 29 x 16 mm for GL 32 threads with PTFE washer， 29 x 18 mm for GL 25 threads with PTFE washer， 22 x 8 mm for GL 25 threads with PTFE washer， 22 x 10 mm for GL 25 threads with PTFE washer， 22 x 12 mm for GL 45 threads with PTFE washer， 42 x 26 mm for GL 45 threads with PTFE washer， 42 x 32 mm