This unique Easy Fit compression coupling fitting quickly connects two lengths of 1/2 Drip tubing in a straight line. Rain Bird's Easy Fit system
Rain Bird EFC25-1PS Drip Irrigation Easy Fit Universal Coupling, Fits All 1/2 and 5/8 Tubing
Rain Bird Landscape Dripline System Easy Fit Coupling - 2 Pack EZFITC-2PK : Irrigation Line : Patio, Lawn & Garden
Rain Bird MDCFEL - Xerigation 1/2 Comp Elbow — Sprinkler Supply Store
Easy Fit Compression Fitting System - 3/4 in. Female Pipe Thread Adapter, Faster and easier to install—requires up to 50% less force to install
MDCF75FPT - Easy Fit Compression Fitting System - 3/4 in. Female Pipe Thread Adapter
Push-to-pull compression fittings - Wikipedia
Benefits of Using Plastic or Brass Fittings
Drip Fittings - Drip Irrigation - Irrigation
Rain Bird EFP075F - 1/2 inch Universal to 3/4 inch FPT Drip Irrigation Adapter
Rain Bird MDCF75MPT Easy Fit Compression System 3/4 MPT Adapter - Bag of 20