Compare Quick view Sr322 Sundstrom Leak Test Disc MSRP: £1.00 (Ex. VAT) MSRP: £1.20 (Inc. VAT) ** Manufacture date of this item is 2013 but goods and all packaging in good condition ** This Sundström SR 322 test disc is used for fit-testing your half-face or full-face respirator mask.Learn more…• Test disc for use with... Add to Cart Add to Cart