Patent ID: 7127908

Claim:
A desiccant cartridge comprising a substantially cylindrical molded plastic cup having opposing first and second ends, an outer annular portion, an inner tubular portion having opposing first and second ends and an integral bottom connected to said second ends of said outer annular portion and said inner portion securing said inner tubular portion within said outer annular portion coaxially disposed to one another defining a space therebetween; said bottom including an outer annular rim and an inner rim; said desiccant cartridge further comprising a removable molded plastic cap including an outer annular rim, an inner rim, a center portion and an aperture located within said center portion for receiving said inner tubular portion of said cup when said cap is received within said space within said cup; said desiccant cartridge further comprising first and second dual density discs; said first and second discs include a high density layer and a low density batting bonded together; said first and second discs being inserted into said cup oriented such that said first disc has said batting adjacent said bottom and said second disc has said batting adjacent said cap; and said desiccant cartridge further comprising desiccant within said space within said cup between said high density layer of said first disc and said high density layer of said second disc.