supply of aev for philips ev 300 ventilators at itu (medicine) , aev for philips ev 300 ventilators at itu (medicine) and neuro icu as per bq attached on file no. 222830 ] , o2 sensor philips for ev 300 ventilators at itu (medicine) and neuro icu as per bq attached on file no. 222830 ] , o2 hose for philips ev 300 ventilators at itu (medicine) and neuro icu as per bq attached on file no. 222830 ] , sponge filter for philips ev 300 ventilators at itu (medicine) and neuro icu as per bq attach ed on file no. 222830 ] , particulate filter for philips ev 300 ventilators at itu (medicine) and neuro icu as per bq atta ched on file no. 222830 ] , patient circuits for philips ev 300 ventilators at itu (medicine) and neuro icu as per bq attac hed on file no. 222830 ]