Original Pelican 1750 Solid middle piece of foam. "Grey" 1750 Replacement foam from Pelican. 1 Piece of OEM(Stock) Pelican 1750 "Middle" Foam. This foam will replace the middle, bottom, or top of your Pelican 1750. Approx. dims of 1750 middle solid foam 50.50" x 13.50" x 1.60" Always in stock and usually ships same working day.(M-F). Ships USPS priority. Transit time is 1-4 days in cont. US.