Home / Fittings / Galvanized Flow Retarders Galvanized Flow Retarders by Digman-N $538.80 6" / 10 Ga 8” / 10 Ga 10” / 10 Ga 10” / 7 Ga 12” / 7 Ga 14” / 7 Ga 16” / 7 Ga 18” / 7 Ga 20” / 7 Ga Size 6" 8” 10” 12” 14” 16” 18” 20” Gauge 10 Ga 7 Ga Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Share Share on Facebook Twitter Pinterest × Home / Fittings / Galvanized Flow Retarders