3x2 flexible coupling. Made of a tough elastomeric PVC compound that meets the requirements of ASTM No. D5926, are resistant to chemicals, ultraviolet rays, fungus growth, and normal sewer gases. Stainless steel clamps are corrosion-resistant and rust-proof. For use in sewer and drain, water, and vent piping. Maximum working pressure 4.3 P.S.I. (29.6 kPa); Maximum operating temperature: 140 F. nonconsistent. A = the inside diameter (I.D.) of side No. 1. B = the inside diameter (I.D.) of side No. 2. C = the length of the actual coupling, end to end. 3" x 2" pipe size, dimensions: 3.45 (A) x 2.45 (B) x 3.95 (C) No. P1056-42: 4" x 2" pipe size, 4.45 (A) x 2.45 (B) x 4.20 (C) No. P1056-43: 4" x 3" pipe size, dimensions: 4.45 (A) x 3.45 (B) x3.95 (C) No. P1056-64: 6" x 4" pipe size, dimensions: 6.45 (A) x 4.45 (B) x 5.60 (C) No. P1002-44: 4" clay x 4" Schedule 40 pipe size, dimensions: 5.35 (A) x 4.45 (B) x 4.00 (C) No. P1002-64: 6" clay x 4" Schedule 40 pipe size, dimensions: 7.34 (A) x 4.50 (B) x 5.56 (C) No. P1002-66: 6" clay x 6" Schedule 40 pipe size, dimensions: 7.55 (A) x 6.45 (B) x 5.70 (C)