Tweco® Model 54A Gas Diffuser by CM Industries CM Industries Sale! from 534 /per Qty. 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. This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Used in medium to heavy duty welding application up to 450 amperes Machined from 360 brass alloy bar stock to ensure consistent dimensional stability Easy identification - Part No. rolled stamped on the outside surface Contains a conduit set screw used to hold the conduit liner in place SKU:CMI 54A