Cost Wise MAX FLO,connectors for when higher water flow is needed ie. pressure washers or car wash,fits 3/4" and 1" hose.by, the irrigation specialists (3 way stepped)

• Reach a higher water flow than standard connectors
• Made from shock resistant plastic
• Fits 3/4" hose unless otherwise stated
• Ideal for pressure washers
• Stepped connectors link Max Flo to standard

when you need more water flow this is an answer,the bore size of these connectors is much larger than standard.the stepped three way connector allows you to connect two standard size female hose connectors and one max flo,the stepped double male allows a link from max flo to standard hose connector