The failure of the Named Insured 's products or work performed by or on behalf of the Named Insured to meet the level of performance , quality , fitness or durability warranted or represented by the Named Insured :
but this exclusion does not apply to loss of use of other tangible property resulting from the sudden and accidental physical injury to or destruction of the Named Insured's products or work performed by or on behalf of the Named Insured after such products of work have been put to use by any person or organization other than insured