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Port-O-SealTM seals waste in tank preventing it from splashing during transit. Port-O-SealTM is the ideal accessory for restrooms mounted on Pioneer Trailers. Now operartors and construction workers can quickly manuever restrooms around the jobsite without fear of splashing waste all over the inside of the restroom.


  • Instructional Manual: Port-O-SealTM Manual

    Proposition 65 for purchases in California

    ! WARNING: These products may contain chemicals known to the State of California to cause cancer and or/birth defects or other reproductive harm. for more information go to www.P65Warnings.ca.gov

    Call for more information: 1-800-883-1123