400w hps modify?

check out this link:

http://www.e-conolight.com/Product/EProductDetail.asp?ProductFamilyID=3&FGNumber=E-HR4H40QZ

Do you think this could be easily modified for ventilation by cutting a couple of holes in the casing?

Those are some cheap bulbs. Might wonder if their trash or not.

check this out on lumens:

https://skunkforums.org/skunkforums/showthread.php?t=4922

I read the lumen count. But you get what you pay for.....