There is a semantic problem here, or close by: An "IR Filter" could be taken as a "Filter for Use with IR Film", OR a "Filter that removes IR".
B&W (Schneider) seems to recognize the problem, and differentiates between the two by adding "CUT" to the description of ones removing IR.
You might be interested in B&W's "Item Stock Code 65-040761 - 30.5 E IR CUT (489) , found at
[ http://www.schneideroptics.com/Ecomm...D=704&IID=5306 ],
or browse through the "IR CUT" filters, 486. 489, etc.
Hope this help!