Test Unit (050) - 300mm Dia Single Wall Zoom Test Unit (050) - 300mm Dia Single Wall SKU: 30050SW Section used to carry out flue gas analysis Availability: In stock £76.99 Qty: Add to Cart Email to a Friend Additional Information Additional Information Additional Information SKU 30050FK Diameter 300mm (12") Components Accessories CMS tab x Add to Cart Price: Actual Price: Our price is lower than the manufacturer's "minimum advertised price." As a result, we cannot show you the price in catalog or the product page. You have no obligation to purchase the product once you know the price. You can simply remove the item from your cart. Our price is lower than the manufacturer's "minimum advertised price." As a result, we cannot show you the price in catalog or the product page. You have no obligation to purchase the product once you know the price. You can simply remove the item from your cart.