Challenger Lifts CL4P9DT-P Plastic Drip TraysChallenger Lifts CL4P9DT P Plastic Drip Trays Plastic drip trays measure 18" length sections and are sold in a set of 4. Optional accessory for use with Challenger Lifts CL4P7 and CL4P9 Home Storage Four Post Lifts. If you are using the Challenger 9,000 or 7000 pound capacity home storage four post car lifts for purposes of storing one vehicle over another, then this accessory is for you. It fills the gap in between the runways so the car up above