Sierra International Shields Wireless Exhaust/Water Hose 3 1/2in x 6 1/4in 3-1/2in x 6-1/4in 116-200-3121. The Sierra Shields Exhaust / Water Hose 3 1/2in x 6 1/4in is reinforced with 2 or 4 plies of synthetic cord and is made of black heavy-wall...