Door and window fans material

The utility model provides a door and window fans material, including the body, the inboard of body is equipped with the door and window card slot that is used for installing the door and window board, the body be equipped with two at least cavitys, four sides of two cavitys are all sealed, are equipped with the locating hole that is used for connecting the angle sign indicating number on the cavity baffle between two cavitys. Through one or two angle sign indicating number fixed connection between the end of body. Still be equipped with the gusset plate draw -in groove that is used for the installation set gusset plate, the gusset plate draw -in groove be 4. Through the body structure that adopts two at least cavitys, make the location structure of angle sign indicating number, on reference column or wedge block tongue can be fixed the cavity baffle between two cavitys, need not to consider again consequently that location structure stretches out the problem of one section distance of body outer wall, the bo