Add to Cart SMC JIS B 2401 P8 O-Ring, 11.6X7.8X1.9, SMC MSRP: Now: $0.35 Was: arm manifold regulator 21 arm no size rapart o-ring, 11.6x7.8x1.9, nbr *image representative of product category only. actual product may vary in style. JIS B 2401 P8