supply of polyurethane hydrophobic dry form dressing with leak/block detection property pores size 450-500 micron. pore size 40-50 ppi medical grade foam with 500 ml disposable canister and tubi ng (eash) iso approved size %u2013 26x15x1.6 cm approx. (along with canister tubing each). the fir m should provide machine for creating vaccum for free use as and when required (vac dressing l with container) 1. vac dressing size 26x15x1.6 cm approx. polyurethane ether (highly hydrophobic) foam with density of 450-500 micron dressing kit. 2. it should have one ovel shaped polyurethane ether dr essing with 2 drapes. 3. it should have one disposable ruler for measuring the wound. 4. it should ha ve at one unit of at least 5 or more lumens trac tubing (for better pressure sensing and prevent bloc kage) 5. the dressing should come with at least 3 years of expiry. 6. it should have one unit of at least 5 or more lumens500 ml canister (containing sodium polyacrylate) 7. it can be used for negative pr essure wound therapy unit 8. it should have bis if bis is not available it should be us fda approved to ensure the quality & european ce approved by an agency with 4 digit notification approved quality. measurements +/- 10% 9. it should have iso 10. the dressing should be registered with cdsco under class %u201cc%u201d as per cdsco guidelines. ]