1) Size: 1/2" - 3/4" 2) Standard: NPT, BSPTndard: NPT, BSPT, PT 3) Material: PVC, PP, ABS 1) Materials: PP or PVC 2) Sizes: 1/2", 3/4" 3) High quality 4)Clear, light weight, rustless, oxidation-resistant, anti-corruption and environment friendly 5) Reasonable prices PP TAP