Panblast STC-2 Heavy duty threaded blast machine coupling
Long lasting and durable,designed to withstand continuous flow of abrasive/air mix.
Rust resistant, can be left outdoors for long periods without rusting.
1.1/2" Female thread ( 45mm i.d.) , fits outlet of larger than standard grit valves at bottom of blast pots, to provide claw connection to blast hose coupling.