Abstract: A compression device adaptor for compacting discarded oil filters having a compacting member (10) which is connected to various types of compression devices, such as a hydraulic press, by way of a compactor connector (12). Formed within compacting member (10) is an interior drain channel (30) providing escape of waste oil held within an oil filter (28) upon pressure being applied by operation of a compression device. An oil filter platform (20) accommodates oil filter (28) as well as containing excess oil and providing drainage of same through a drain port (22).