If you want the 'best of the best' this is it. I personally use a 1 litre jug full and that is all i need which is probably around 1KG.
MEDIA FLOW VALVE FOR SEALEY SB973 SB974 METERING UPGRADE IMPROVED SUCTION
MEDIA FLOW VALVE FOR CLARKE SB30 METERING UPGRADE IMPROVED SUCTION
Sand Blast Cabinet Media Flow Valve with Fitted Hatch for Base of Grit Blasting
Sand Blast Cabinet Media Flow Valve Grit blasting For sand Blast Cabinet
UPGRADED SAND MEDIA GRIT 220L BLAST CABINET METERING FLOW VALVE IMPROVED SUCTION
