An apparatus for sealing, securing and adjusting the length of a flexible tube is disclosed. The apparatus has a housing and an anchor. The housing has a sealing section, middle section and a opposing end. The housing has an outer surface and an inner lumen. The housing has at least one pair of abutted surfaces which define a slit from said outer surface to said lumen. The anchor has a base and a grip. The grip extends upwardly from the base. The grip is configured to engage the middle section of the housing. A method for using an apparatus for sealing, securing and adjusting the length of a flexible tube is also disclosed.