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Clear Portal Box Cover
Do you know if your portal boxes have enough oil? Probably not, because this is not an easy thing to check. With our clear portal box covers, it's easy to see if you need to add more oil with just a quick glance. Plus you can quickly tell if you have contaminated the oil with water. This item is a must have for the avid off-roader who wants to insure his Humvee is in tip-top shape.