| 摘要 |
The filter changing device is a rectangular device comprised of a rear and front piece with an elongated slot of 1/4'' in diameter to the front piece. This helps guide a movable insert within the rectangular device to extend to various lengths. The insert is locked in place by a 1/4x20 welded stud affixed to the flexible insert. A washer and wing nut help hold the flexible insert in place to secure the front and rear piece by the means of a dimple-like indentation on left and right.
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