Used in conjunction with a press, this unit crushes filters up to Ø115mm. Oil and sludge drains into a suitable container (not included). Crushing filters minimizes the cost of disposal of hazardous waste by volume. Ram extension allows 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. Internal Diameter: 130mm, Effective Internal Height: 175mm. Model No. OFC1