Anyone know of a deck hatch that will fit into a standard size hole in the 2310 Parker - I think its 18"x18"? The acrylic is cracked and the two air struts are gone so I wanted to replace it. It had a Bomar part number 94070310 on it but apparently, that part isn't made any longer. Was wondering if someone has replaced one and what they used as a model to replace it with.