4" NPT Female Pipe x 4" NST (NH) Male Hose Adapter – FireHoseSupply.com
Amazon.com : Sanpaint 2 Pack 3/4" Garden Hose Connector with Dual Swivel for Male Hose to Male Hose, Double Female : Patio, Lawn & Garden
Amazon.com : 3 Packs 3/4 Inch GHT Female to NPT Male Connector, GHT to NPT Adapter Brass Garden Hose Connector Adapter Fitting to Pipe Fittings Connect with 6 Packs Extra Rubber Washer (
3/4 in x 3/8 in Fitting Size, Male x Female, Garden Hose Adapter - 20XR08|707480-1206 - Grainger