Help Please bidding on something on ebay

[midnightrider1818]

can anybody tell me if this is a heater box for a ac car or non ac. i need one for my 73 rr and will this fit. ?????

http://www.ebay.com/itm/1971-74-Cha...Parts_Accessories&vxp=mtr&hash=item27bf98e78e

 

[a440plus6]

Non A/C

 

[midnightrider1818]

Non A/C

thats what i thought. would this fit a 73 roadrunner you believe my car is a non ac

 

[a440plus6]

thats what i thought. would this fit a 73 roadrunner you believe my car is a non ac

If you can post a oic of your firewall I can tell you if it A/C or not.