Abstract: A Cool Air Breathing Apparatus. The apparatus provides a low-cost, comfortably-sized, convenient source of cool breathing air to a use. The apparatus id attachable to a standard-sized water bottle container, such as is used for bicycles and exercising in general. The user is able to simply fill the water bottle container with a cooling material, and then breathe through a mouthpiece in order to receive cooling air. The cooling material could be cold liquid, ice cubes or chips, or even a solid frozen block. There is also a folding mouthpiece so that the user can seal the container when it is not in use.

Abstract: A Disposable Water Pipe Liner is disclosed. Also disclosed is a liner that is insertible into the chamber tube of conventional water pipe whereby it prevents tar buildup on the inside walls of the chamber tube. The chamber tube liner also has a pre-formed aperture designed to be aligned with the stem aperture in the chamber tube. The liner further has a plurality of guidelines inscribed upon it to aide users in trimming its length such that it is fitted to that user's water pipe. The liner also includes a stem tube liner for slipping over the inner end of the stem to also prevent its being coated with tar and other deposits.