MT Valves & Fittings product. Available references and published specifications: • 670200810 — measures: FEMALE STRAIGHT COUPLING 8X3/8"; weight (kg): 0.03; small / large box: 25 / 500 • 670201010 — measures: FEMALE STRAIGHT COUPLING 10X3/8"; weight (kg): 0.03; small / large box: 25 / 400 • 670201015 — measures: FEMALE STRAIGHT COUPLING 10X1/2"; weight (kg): 0.04; small / large box: 10 / 300 • 670201210 — measures: FEMALE STRAIGHT COUPLING 12X3/8"; weight (kg): 0.03; small / large box: 10 / 300 • 670201215 — measures: FEMALE STRAIGHT COUPLING 12X1/2"; weight (kg): 0.04; small / large box: 10 / 300 • 670201415 — measures: FEMALE STRAIGHT COUPLING 14X1/2"; weight (kg): 0.05; small / large box: 10 / 220 • 670201510 — measures: FEMALE STRAIGHT COUPLING 15X3/8"; weight (kg): 0.04; small / large box: 10 / 220 • 670201515 — measures: FEMALE STRAIGHT COUPLING 15X1/2"; weight (kg): 0.05; small / large box: 10 / 220 • 670201520 — measures: FEMALE STRAIGHT COUPLING 15X3/4"; weight (kg): 0.06; small / large box: 10 / 180 • 670201525 — measures: FEMALE STRAIGHT COUPLING 15X1"; weight (kg): 0.08; small / large box: 10 / 100 • 670201615 — measures: FEMALE STRAIGHT COUPLING 16X1/2"; weight (kg): 0.05; small / large box: 10 / 200 • 670201620 — measures: FEMALE STRAIGHT COUPLING 16X3/4"; weight (kg): 0.07; small / large box: 10 / 160 • 670201815 — measures: FEMALE STRAIGHT COUPLING 18X1/2"; weight (kg): 0.06; small / large box: 10 / 220 • 670202215 — measures: FEMALE STRAIGHT COUPLING 22X1/2"; weight (kg): 0.07; small / large box: 10 / 150 • 670202220 — measures: FEMALE STRAIGHT COUPLING 22X3/4"; weight (kg): 0.08; small / large box: 10 / 140 • 670202225 — measures: FEMALE STRAIGHT COUPLING 22X1"; weight (kg): 0.1; small / large box: 5 / 100 • 670202820 — measures: FEMALE STRAIGHT COUPLING 28X3/4"; weight (kg): 0.1; small / large box: 5 / 80 • 670202825 — measures: FEMALE STRAIGHT COUPLING 28X1"; weight (kg): 0.12; small / large box: 5 / 80 • 670203532 — measures: FEMALE STRAIGHT COUPLING 35X11/4"; weight (kg): 0.18; small / large box: 5 / 40 • 670204240 — measures: FEMALE STRAIGHT COUPLING 42X11/2"; weight (kg): 0.24; small / large box: 5 / 35 • 670205450 — measures: FEMALE STRAIGHT COUPLING 54X2"; weight (kg): 0.4; small / large box: 5 / 20 • 670201820 — measures: FEMALE STRAIGHT COUPLING 18X3/4"; weight (kg): 0.07; small / large box: 10 / 160 Price and local availability on request. Source: https://mtspain.net/en/female-straight-coupling-brass-compression/