DISCOVER THE ONLY WATER PRESSURE GAUGE KIT YOU WILL EVER NEED. Standard 3/4 GHT (Garden Hose Thread) for all standard outdoor PATIO FIXTURES, RV LINES, GARDEN HOSES, SPIGOTS, FAUCETS AND WASHING MACHINE OUTLETS, PLUS 4 Adapters so you can measure in multiple possible settings and locations: EASY TO USE QUICK CONNECT ADAPTER for increasingly popular SNAP FIT quick release systems: meter regular and pressure WATER HOSES, SPRINKLER SYSTEMS, IRRIGATION, GARDEN HOSE TOOLS, WATERING DEVICES (guns and wands) and SPRAY NOZZLES. SPECIAL ALL PURPOSE 1/2" STANDARD PIPE ADAPTER for testing threaded HOUSE, BUILDING, SHOWER, WATER TANK, HOT WATER HEATER, PUMP, BOOSTER, WELL, BOILER, RV WATER, WATERER, SPRINKLER IRRIGATION SYSTEM or BATHTUB, piping outlets and supply lines. Use any 1/2" Nipple and a Standard Hose Connector to measure at SINKS, TOILETS, BASINS, DISHWASHERS and ANGLE VALVES. UNIQUE SPECIAL TUBING ADAPTERS (1/4" and 3/8") for outlets that feed the REFRIGERATOR WATER FILTER, AQUARIUM, ICE MAKER, DRINKING WATER PURIFIER FILTERS, WATER TREATMENT, DRINKING WATER FOUNTAIN, RV FILTER, PLANT WATERING SYSTEM, DRIP IRRIGATION TUBING, PC COOLER, NEEDLE VALVE and TUBULAR CONNECTION, use any common T adapter (Not Supplied) for DYNAMIC PRESSURE MEASUREMENT on those systems. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.