Fibre rings, for top valve sections ¼" 13 mm x 17 mm x 1,5 mm

Fibre rings, for top valve sections ⅜" narrow 17 mm x 21 mm x 1,5 mm

Fibre rings, for top valve sections ⅜" 17 mm x 21,5 mm x 1,5 mm

Fibre rings, for top valve sections ⅜" wide 17 mm x 22 mm x 1,5 mm

Fibre rings, for top valve sections ½" 21 mm x 25 mm x 1,5 mm

Fibre rings, for top valve sections ½" wide 21 mm x 26 mm x 1,5 mm

Fibre rings, for top valve sections ¾" narrow 26,5 mm x 30 mm x 1,5 mm

Fibre rings, for top valve sections ¾" wide 26,5 mm x 32 mm x 1,5 mm

Fibre rings, for top valve sections 1" 33,5 mm x 40 mm x 2,0 mm

Fibre rings, for top valve sections 1¼" 42 mm x 51 mm x 2,0 mm

Fibre rings, for top valve sections 1½" 49 mm x 58 mm x 2,0 mm

Fibre rings, for top valve sections 2" 60 mm x 70 mm x 2,0 mm