A medicated module attachable to a drug delivery device comprises a connecting body configured for attachment to the drug delivery device. The catalyst comprises a non-acidic molecular sieve having a three-dimensional microporous framework structure of tin, aluminum and silicon tetrahedral oxide units. The radial clearance between the surface of the blade facing the screen and the screen being lowest between the front sector, viewed in the direction of rotation, and increasing towards the rear edge of the blade. When base ends of these links seat in the guide channels, pin holes in the base end of the links self-align with pin holes in the corners of the frame structure for easy insertion locking pins. One type of SOG is a cross-linked siloxane polymer, preferably of the poly-organo-siloxane type, comprising a carbon content of at least 5 atomic weight percent. Thus, when the urging nut on the outer threaded tube is unscrewed, the threaded rod can be rotated relative to the outer threaded tube, thereby adjusting the relative distance between the threaded rod and the outer threaded tube, such that the height of the automobile can be adjusted largely.