This window well is 66" W x 72" H.
Hi Jerry, thank you for your inquiry. We do offer this window well with the aluminum grate on Homedepot.com. I have provided a link below. https://www.homedepot.com/p/Rockwell-66-in-x-44-in-x-72-in-Tan-Elite-Composite-Window-Well-with-Aluminum-Bar-Grate-BET-664472G/204486057 We appreciate your business and look forward to serving you in the future. Thank you for shopping Home Depot!
No, this product doesn't require any California Prop 65 warnings.
Yes, it is also available in grey.
Worx does not manufacture this product, so I cannot answer.