Air circulation system

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1. A PORTABLE AIR CIRCULATION STACK COMPRISING:

AN ENCLOSED VERTICAL DUCT COMPRISED OF A FIRST AND A SECOND VERTICAL PANEL MEMBER ADJOINING EACH OTHER ALONG A FIRST EDGE OF EACH SUBSTANTIALLY AT A RIGHT ANGLE, AND A VERTICAL FRONT PANEL ADJOINING THE OTHER EDGE OF EACH OF SAID FIRST AND SECOND PANELS TO FORM SAID DUCT IN A TRIANGULAR CONFIGURATION, SAID DUCT HAVING A CLOSED LOWER END AND AN OPEN UPPER END, AND SAID FRONT PANEL HAVING AN OPENING IN THE LOWER PORTION THEREOF, A REMOVABLE AIR FILTER UNIT SUPPORTED ACROSS SAID DUCT IN SAID OPEN UPPER END COMPRISING, A TRIANGULAR FRAME PORTION POSITIONED WITHIN SAID DUCT, SAID FRAME HAVING A FIRST AND A SECOND CHANNEL MEMBER JOINED AT A FIRST END OF EACH TO FORM THE BACK LEGS OF SAID TRIANGULAR FRAME, AND TWO PARALLEL SPACED STRIPS DISPOSED BETWEEN THE SECOND ENDS OF EACH OF SAID CHANNEL MEMBERS TO FORM THE FRONT LEG OF SAID TRIANGULAR FRAME, A PLURALITY OF HANGER MEMBERS SECURELY SPACEDLY ON SAID TRIANGULAR FRAME, EACH OF SAID HANGER MEMBERS HAVING A LIP PORTION IN REMOVABLE CONTACT WITH THE TOP EDGE OF SAID VERTICAL PANEL MEMBERS, A FILTER BLANKET OF INTERWOVEN SPUN GLASS FIBERS SLIDABLY POSITIONED IN SAID TRIANGULAR FRAME, ULTRA-VIOLET LAMP MEANS POSITIONED WITHIN SAID DUCT INTERMEDIATE SAID OPEN UPPER END AND SAID OPENING IN SAID FRONT PANEL, AND A REVERSIBLE THREE-SPEED MOTOR WITH FAN POSITIONED ADJACENT SAID OPENING IN SAID FRONT PANEL TO CIRCULATE AIR THROUGH SAID STACK.

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1. A PORTABLE AIR CIRCULATION STACK COMPRISING:
- AN ENCLOSED VERTICAL DUCT COMPRISED OF A FIRST AND A SECOND VERTICAL PANEL MEMBER ADJOINING EACH OTHER ALONG A FIRST EDGE OF EACH SUBSTANTIALLY AT A RIGHT ANGLE, AND A VERTICAL FRONT PANEL ADJOINING THE OTHER EDGE OF EACH OF SAID FIRST AND SECOND PANELS TO FORM SAID DUCT IN A TRIANGULAR CONFIGURATION, SAID DUCT HAVING A CLOSED LOWER END AND AN OPEN UPPER END, AND SAID FRONT PANEL HAVING AN OPENING IN THE LOWER PORTION THEREOF, A REMOVABLE AIR FILTER UNIT SUPPORTED ACROSS SAID DUCT IN SAID OPEN UPPER END COMPRISING, A TRIANGULAR FRAME PORTION POSITIONED WITHIN SAID DUCT, SAID FRAME HAVING A FIRST AND A SECOND CHANNEL MEMBER JOINED AT A FIRST END OF EACH TO FORM THE BACK LEGS OF SAID TRIANGULAR FRAME, AND TWO PARALLEL SPACED STRIPS DISPOSED BETWEEN THE SECOND ENDS OF EACH OF SAID CHANNEL MEMBERS TO FORM THE FRONT LEG OF SAID TRIANGULAR FRAME, A PLURALITY OF HANGER MEMBERS SECURELY SPACEDLY ON SAID TRIANGULAR FRAME, EACH OF SAID HANGER MEMBERS HAVING A LIP PORTION IN REMOVABLE CONTACT WITH THE TOP EDGE OF SAID VERTICAL PANEL MEMBERS, A FILTER BLANKET OF INTERWOVEN SPUN GLASS FIBERS SLIDABLY POSITIONED IN SAID TRIANGULAR FRAME, ULTRA-VIOLET LAMP MEANS POSITIONED WITHIN SAID DUCT INTERMEDIATE SAID OPEN UPPER END AND SAID OPENING IN SAID FRONT PANEL, AND A REVERSIBLE THREE-SPEED MOTOR WITH FAN POSITIONED ADJACENT SAID OPENING IN SAID FRONT PANEL TO CIRCULATE AIR THROUGH SAID STACK.

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