Qualkem Box of 12 x 480ml trigger spray bottle with a Gas Leak Detection Fluid for Easy leak detection on pressurised gas systems. Non-aerosol. Product is Non-hazardous. *ALL FLUIDS ARE MINIMUMORDER 3 BOXES (MIXED). DISPATCHED DIRECT FROM MANUFACTURER. DOES NOT CONTRIBUTE TOWARDS YOUR PLS CARRIAGE PAID ORDERS. PLS PLACES ORDERS ON WEDNESDAYS FOR DELIVERY THURSDAY/FRIDAY DIRECT FROM MANUFACTURER.*