For technical description please review
There are adapters A and C with shutter.
It is very easy to attached the fan to your pit.
Please pay attention to the battery. It is an Li-Ion battery, 12 VDC 2 A.H. Its size is less than 3" inches.
It can power the system including a big 50 CFM fan for 10+ hours. But the offer does not include the battery as it is not allowed to send battery via post office. You can buy battery locally or on eBay.
eBay price of WOLF, Fan, Adapter A US$128, SAl mail cost US$30, total US$158.
Now you can get the package at US$99 and free SAl mail cost on condition that:
1.By accepting price of US$99, you will post reviews on 3 different BBQ forums after you receive and use it.
2.If you want the special offer, please follow post here
3.After you post reviews on 3 different forums, you need to post the links here for other visitors to read.