Used in conjunction with a press, this unit crushes filters up to Ø115mm and removes most of the oil and sludge, which drains into a suitable container (not included). Crushing filters minimizes the cost of disposal of hazardous waste by volume. Supplied with ram extension to allow 2-stage crushing of large filters without repositioning press table. Suitable for Ø38mm(1.5") press rams. Optional adaptors enable use with Ø50mm and Ø60mm rams.