Outboard Flusher Additive MACS SALT-X 1 Litre Concentrated Salt Remover RefillFREE POST AUSTRALIA WIDE! SALT X Is A Concentrated Rinsing Flushing Additive Designed To Remove Salt Residues From Any Surface. Use With MACS Flush Injector Kit Every time You Flush You Outboard After Use In Salt Water. Environmentally Safe Non Toxic Biodegradable. 1 Litre In Size. # You Need To Use With Flush Injector Kit. Part No: 180420