The WCW 25L Chemical Container Feed is used to transfer the chemical/water mix from your container into a hose, which is then fed directly into a chemical pump box. It comes with an integrated female connector on top of the lid, that connects to a Male Series 26 Hose Coupling. 60mm Screw Cap closure Integrated 13mm Series 26 Female Hose Tail Couplings Chemical use and dilution. Never run chemicals neat through this feed or the pump it supplies. Dilute to the chemical manufacturer's stated ratio, and rinse through with clean water after every use. Sodium hypochlorite is suitable below 10%, mixed as the manufacturer directs. Undiluted acids, acid based products, concentrated alkalis and petroleum based products are not suitable and can damage it. Anything outside that is used at your own discretion and may void the warranty. Full guidance is in the Safety tab.