you simply screw the barb into the hose

like you'll see on some Hope models

000 hour lifespan with a combined 1200 lumens output

and Beadbite

Colors - black

Park CB-4 Chainbrite Biodegradeable Citrus Degreaser - 475ml Bottle - 475ml Bottle PDP|Option you simply screw the barbLeaves your chain looking new! Park ChainBrite is a plant based, 100% biodegradable formula that will easily chain your chain. Designed for use with Park's chain scrubber. 100% biodegradable. Plant based. Formulated for use with their Cyclone Chain Scrubber. Safe for alloy, plastic and rubber. Please note: Do note dilute, ChainBrite is designed to be used full strength.