3/4" G Thread (Metric BSPP) Female NPT Thread to 1/2" Male Pipe Fitting Adapter This Lead-free water connection fittings for ease of use. Which can convert G thread connector to NPT connector It is made of durable Carbon steel, with threads that are manufactured to the highest quality standards. Choosing this adapter ensures that you've chosen a high quality item for your project. It is easy to install for both homeowners and contractors. Package: 1 piece of 3/4" FG to 1/2" MNPT Adapters G Thread is Parallel (straight) threads (BSPP - British Standard Pipe Parallel), which have a constant diameter. The NPT thread is slightly tapered, while the G connection is straight. No Washer Needed. G3/4" Pipe fittings female Thread Water Pipe to 1/2" NPT Male Adapter Metric BSP 3/4" (G) female to NPT 1/2" male pipe fitting converter (Brass) Lead - Free Adapter. Material : Brass "G thread female" means that the female part of the adapter is G thread. Size : 3/4" Female G ,1/2" Male NPT Return Policy: Merchandise purchased may be returned for a refund within 30 days of the date of purchase if it meets the following conditions: Merchandise must be returned in its original condition within 30 days of purchase. Returns received after 30 days will not be accepted.