N f for RG 174-188-316
N f for RG 58-141-142-223-303
N m for 3/8″ foam
N m for 1/4″ foam
N m for 3/8″ air
N m for 1/2″ air
N f for RG 5-212
N f for RG 8-9-115-213-214
N f for RG 8-9-115-213
