STP-95 - 0.307 – 0.374″ (7.8 – 9.5 mm)
STP-100 - 0.327 – 0.394″ (8.3 – 10.0 mm)
STP-105 - 0.347 – 0.413″ (8.8 – 10.5 mm) - 1/4" I.D. Poly Hose
STP-113 - 0.378 – 0.445″ (9.6 – 11.3 mm)
STP-123 - 0.386 – 0.484″ (9.8 – 12.3 mm) - 5/16" I.D. Poly Hose
STP-133 - 0.425 – 0.524″ (10.8 – 13.3 mm) - 3/16" I.D. Vinyl Hose
STP-140 - 0.453 – 0.551″ (11.5 – 14.0 mm) - 3/8" I.D. Poly Hose
STP-145 - 0.472 – 0.571″ (12.0 – 14.5 mm) - 1/4" I.D. Vinyl Hose
STP-157 - 0.520 – 0.618″ (13.2 – 15.7 mm) - 5/16" I.D. Vinyl Hose
STP-162 - 0.539 – 0.638″ (13.7 – 16.2 mm) - 5/16" I.D. Vinyl Hose & 3/8" I.D. Vinyl Hose
STP-170 - 0.571 – 0.669″ (14.5 – 17.0 mm) - 3/8" I.D. Vinyl Hose
STP-185 - 0.602 – 0.728″ (15.3 – 18.5 mm)
STP-198 - 0.654 – 0.780″ (16.6 – 19.8 mm)
STP-210 - 0.701 – 0.827″ (17.8 – 21.0 mm) - 1/2" I.D. Vinyl Hose
STP-226 - 0.764 – 0.890″ (19.4 – 22.6 mm)
STP-241 - 0.823 – 0.949″ (20.9 – 24.1 mm)
