Wave Filter Housing

The purpose of the utility model is to provide a filter housing with good sealing performance and effective insect protection.

The above technical purposes of the utility model are realized through the following technical schemes: aFilter housing, including the bottom box and the upper cover which can be matched with the bottom box, the outer wall of the bottom box is arranged to extend to a bulge at the bottom of the base box, and a convex is also arranged to extend to the second bulge at the bottom of the base box, and the side wall, a bulge and the second bulge of the bottom box are stepped. The upper interval of a bulge is arranged with a plurality of third bulges with a second bulge level, and the upper cover is provided with a ladder corresponding to a bulge, and the upper cover is also provided with a third groove corresponding to the third bulge, and the third Groove and the third bulge are respectively provided with a magnet and a second magnet which can be matched with each other, The bulge avoids the position of the third bulge and is provided with an air bag with ammonia stored internally.