18.5cm (1) 18.5mm (67) 18.64" (4) 18.64" (2) 18.68 (2) 18.72 (2) 18.75 . (2) 18.75 Inch (2) 18.75" (2) 18.78 (2) 18.82 (2) 18.84 (2) 18.86 (2) 18.88" (2) 18.90" (2) 18.92 (2) 18.94 (2) 18.96 (2) 18.98 (2) 180 mm (2) 180mm (2) 185mm (1) 18mm (26) 19 (70) 19 1/2 in (7) 19 1/4 in (1) 19 5/8 in (2) 19 7/8 in (4) 19 in (14) 19 Inch (2) 19 mm (3) 19" (34) 19-3/4 in (1) 19-32 (4) 19...60mm (4) 19.00 (10) 19.00 . (10) 19.05 mm (2) 19.25 (2) 19.5 (19) 19.5 in (2) 19.5" (10) 19.625" (6) 19.75" (2) 19.875" (2) 19.88 . (6) 19/32 in (3) 19/32in (6) 19/64in (2) 190 mm (1) 190mm (1) 191.00 . (2) 19mm (5) 1in (18) 1mm (1) 2 (140) 2 1/16 in (2) 2 1/2 in (106) 2 1/2 Inch (2) 2 1/2 Inches (2) 2 1/2″ (8) 2 1/2in (4) 2 1/4 in (51) 2 1/4" (26) 2 1/4in, 3in and 4in (2) 2 1/8 Inch (1) 2 1/8" (54 mm) (4) 2 11/16 in (2) 2 15/16 in (3) 2 3/16 in (1) 2 3/32 in (1) 2 3/4 in (51) 2 3/4" (7cm) (3) 2 3/4in (3) 2 3/8 in (31) 2 5/8 in (16) 2 7/8 in (10) 2 9/16 in, 2 1/8 in, 3 . (6) 2 9/16 in, 2 1/8 in, 3 . (2) 2 9/16 in, 3 in, 2 1/8 . (4) 2 9/16 in, 3 in, 3 1/2 . (2) 2 ; 51 in ; mm (1) 2 in (385) 2 in x 2 in (2) 2 in, 2 1/2 in (6) 2 in. Material: PVC (2) 2 inch (9) 2 mm (12) 2 to 2.19 in OD (2) 2 x 4 in (4) 2" (5 cm) (2) 2" (50.8 mm) (8) 2" (51 mm) (39) 2" (51mm) (2) 2#8 (2) 2″ (2) 2" to 2-5/16". (1) 2-1/16 ?0.015 in (2) 2-1/16" (4) 2-1/2 in (63.5 mm) (1)