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Principles, techniques and configurations applicable in air cleaner arrangements and filter cartridges therefore, are described. In general the filter cartridge includes an axial pivot arrangement, for pivoting the filter cartridge in place, when mounted in an air cleaner for use. The air cleaner ma

Principles, techniques and configurations applicable in air cleaner arrangements and filter cartridges therefore, are described. In general the filter cartridge includes an axial pivot arrangement, for pivoting the filter cartridge in place, when mounted in an air cleaner for use. The air cleaner may include a base pivot, for engagement with the pivot projection on the filter cartridge. Methods of assembly, installation and use are described.

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1. A filter cartridge comprising: (a) a filter media pack arrangement having inlet and outlet ends and including filter media comprising corrugated media secured to facing media and defining a plurality of inlet flutes and outlet flutes; (i) the filter media pack arrangement defining an inlet flow f

1. A filter cartridge comprising: (a) a filter media pack arrangement having inlet and outlet ends and including filter media comprising corrugated media secured to facing media and defining a plurality of inlet flutes and outlet flutes; (i) the filter media pack arrangement defining an inlet flow face and an opposite outlet flow face;(b) a housing seal support;(c) a pivot projection arrangement positioned to extend away from the media pack arrangement; and,(d) a housing seal member mounted on the housing seal support. 2. A filter cartridge according to claim 1 including: (a) a handle arrangement. 3. A filter cartridge according to claim 2 wherein: (a) the handle is slidably mounted on the filter cartridge to be slideable between an extended position and a retracted position. 4. A filter cartridge according to claim 1 wherein: (a) the pivot projection arrangement includes an axial projection arrangement thereon directed toward one of the inlet and outlet ends of the filter media pack. 5. A filter cartridge according to claim 1 wherein: (a) the pivot projection arrangement has a hook shape. 6. A filter cartridge according to claim 1 wherein: (a) the framework includes a perimeter rim extending around the media pack arrangement adjacent the outlet flow face. 7. A filter cartridge according to claim 6 wherein: (a) the framework includes a grid arrangement extending across the outlet flow face; and,(b) the housing seal member is a radially directed seal member. 8. A filter cartridge according to claim 7 including: (a) a perimeter rim secured to, and extending around, the media pack arrangement adjacent the inlet end. 9. A filter cartridge according to claim 8 wherein: (a) the media pack arrangement comprises a coiled strip of media. 10. A filter cartridge comprising: (a) a filter media pack arrangement having inlet and outlet ends and including filter media comprising corrugated media secured to facing media and defining a plurality of inlet flutes and outlet flutes; (i) the filter media pack arrangement having first and second opposite sides and defining an inlet flow face and an opposite outlet flow face;(b) framework secured to the filter media pack arrangement including: a housing seal support; and, an axial pivot projection arrangement; (i) the axial pivot projection arrangement being positioned to extend from the second side of the media pack arrangement in a direction away from the first side of the media pack; and,(c) a housing seal member mounted on the housing seal support;(d) the filter cartridge being axially rockable with the axial pivot projection operating as a pivot, when installed in an air cleaner housing base, by a user rocking the media pack arrangement into and out of sealing engagement with the housing, without rotation of the housing seal member around a central axis. 11. A filter cartridge according to claim 1 wherein: (a) the housing seal support comprises a support positioned adjacent the outlet flow face;(b) the housing seal member is configured to form a radially directed seal with a housing when the filter cartridge is installed in a housing for use;(c) a handle arrangement is positioned spaced from the housing seal support and the outlet flow face in a direction toward the inlet flow face; and,(d) the pivot projection arrangement is positioned at an opposite side of the media pack from the handle arrangement. 12. A filter cartridge according to claim 11 wherein: (a) the filter media pack comprises a non-circular coil of corrugated media secured to facing media. 13. A filter cartridge according to claim 12 wherein: (a) the housing seal member is configured to form a radially outwardly directed housing seal. 14. A filter cartridge according to claim 13 wherein: (a) the housing seal member is configured to form a radially outwardly directed seal at a location not surrounding the media pack. 15. A filter cartridge according to claim 14 wherein: (a) the handle arrangement is configured so that a portion of a person's fingers can fit between a portion of the handle arrangement and a portion of the media pack. 16. An air cleaner assembly comprising: (a) a housing defining a housing interior; the housing having a seal surface thereon; and,(b) a removable and replaceable filter cartridge positioned in the housing interior; the filter cartridge comprising: (i) a filter media pack arrangement having inlet and outlet ends and including filter media comprising corrugated media secured to facing media and defining a plurality of inlet flutes and outlet flutes; (A) the filter media pack arrangement defining an inlet flow face and an opposite outlet flow face;(ii) a housing seal support;(iii) a pivot projection arrangement positioned to extend away from the media pack arrangement; and, (A) a housing seal member mounted on the housing seal support; the housing seal member being sealed against the seal surface of the housing;(iv) the axial pivot projection engaging the housing in a manner allowing the cartridge to rock into and out of sealing engagement with the housing. 17. A filter cartridge comprising: (a) a filter media pack arrangement having inlet and outlet ends and including filter media comprising corrugated media secured to facing media and defining a plurality of inlet flutes and outlet flutes; (i) the filter media pack arrangement defining an inlet flow face and an opposite outlet flow face;(ii) the inlet flutes and outlet flutes extending between the inlet flow face and the outlet flow face;(b) a housing seal arrangement including: a seal support positioned adjacent the outlet flow face; and, a housing seal member mounted on the housing seal support and configured to form a radially directed seal with a housing when the filter cartridge is installed in an air cleaner housing for use;(c) a handle arrangement positioned spaced from the housing seal support and the outlet flow face in a direction toward the inlet flow face; and,(d) a pivot projection arrangement positioned in extension away from the media pack in a direction opposite the handle arrangement; (i) the pivot projection arrangement being positioned at an opposite side of the media pack from the handle arrangement. 18. A filter cartridge according to claim 17 wherein: (a) the filter media pack comprises a non-circular coil of corrugated media secured to facing media. 19. A filter cartridge according to claim 18 wherein: (a) the housing seal member is configured to form a radially outwardly directed housing seal.