Sandblasting by nature has many common wear components such as hoses, nozzles and fittings, find it here.
Clemco 00025 Female Quick Disconnect x 1/4" NPT
Clemco 00024 Pressure Gauge 0-160 Bottom Mount
Clemco 00022 Adaptor, 3/8" hose to 3/8" NPT
Clemco 00015 Male Quick Disconnect x 1/4" male NPT
Clemco 00552 1-1/4" Nozzle Holder, CFA (alum)