| has gloss | eng: pH(x) is the brand name of a line of borosilicate glass water pipes and accessories used for the consumption of smoking mixtures and tobacco products. pH(x) pipes are typically manufactured using 5.0 mm (1/5 inch) thick glass tubing, and house one or more percolators within their main chamber and come more commonly in clear, though colored (and much more rare) models were produced. The pipes utilize a size 19/22 Standard Taper conical ground glass joint in all connecting parts (commonly referred to as size 18 mm, 18.8 mm, or 19 mm). |
