Click to expand Tap to zoom #439 70 Buna-N 6 1/2" x 7" x 1/4" Rubber O'ring Save $-8.95 $8.95 | / Rubber - $8.95 Rubber Material type 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart AS568 #439 70 Buna-N 6 1/2" Inside Diamater 7" Outside Diamter 1/4" Thickness