The Everbuild EVBGFSC5 dual purpose foam cleaner is used to remove wet / uncured foam from brick, PVCu, plaster etc. This EVBGFSC5 simply attaches to Everbuild gun foam applicator for purging through, also includes spray nozzle for use without applicator to remove wet foam from outside of the gun and from most building substrates. Easy to use with some simple steps Pull the trigger on the gun to release the solvent into the gun barrel and discharge the solvent into a suitable container for disposal. Only stop discharging the cleaner when the solution being ejected from the gun is completely clear. Leave the gun foam cleanse attached to the gun for 5 minutes to allow the solvent in the gun to work on the residues inside. Pull the trigger once again until only clear solvent emerges. Leave for a further 5 minutes and repeat this process 2 or 3 times until the gun is completely clear. 500ml.