Rainbird FHT Adaptor 3/4" SKU: MDCF75FHT Rain Bird has put together the Easy Fit Fitting and Adapter system, a simple-to-install system that centers around Easy Fit Compression Fittings. They are compatible with any manufacturers 1/2" tubing with outside diameter (O.D.) ranges from .630" to .710"(16 mm to 18 mm). Nobody else in the industry offers a faster, more convenient way to make more drip connections in a lot less time. Rain Birds Easy Fit Fittings and Adapter System has the flexibility to accommodate numerous installation situations with very little inventory. One (1) MDCF75FHT 3/4" FHT Adapter Faster and easier to install requires up to 50% less force to install tubing, making your installation project faster and easier Fittings and adapters that can accommodate virtually connection situation, great for maintenance and retrofitting existing systems. Works with virtually any manufacturers ½ tubing, where the outside diameter ranges from .630? to .710? (16mm to 18mm) and threaded PVC pipe.Notes: Easy Fit Adapters are not barbed fittings. They are to be used only with Easy Fit Compression Fittings. Image is of ALL Easy Fit adaptors and fittings and is meant to be a guide only. Unless otherwise specified, this is (1) piece as described above.