D5612 Lid Color Gray Compatible Grainger Part Number 1NTP3 1NTP4 1NTP7 1NTP8 Compatible Manufacturer Model Number 9231085113 9231085118 9231085126 9231085136 9231085218 9231085268 9231085269 9231085280 9241085113 9241085118 9241085126 9241085136 9241085218 9241085268 9241085269 9241085280 Material Fiberglass Overall Diameter Not Applicable Overall Length 9 3/4 in Overall Width 9 1/4 in Shape Rectangular Standards UL 94 HB Flammability Rating