PVC FITTINGS Here are fittings used in most projects. Specialized fittings can be purchased at home improvement stores. Furniture grade fittings can be purchased from the companies listed on the Sources and Resources page.   90-degree Ell. Note the difference. For uniformity in your project, get all the same fittings. Too, different brands can have different stop depths which will make your measurements off a bit. 45-degree Elbows. Again, notice the difference. The top Elbow is shorter than the bottom one, which can throw your measurements off thus making your project out of whack. Tee Cross Threaded Male & Female Connectors Connector End Cap Family Portrait: Most Common Fittings Family Gathering of Furniture Grade Fittings. End Cap is in the Middle. Slip Tee, Lower Middle. Notice How the Ends are Beveled for a Cleaner, Sleeker Look. The Slip Tee is Useful for Making Hinges and Whatever Else You Can Imagine. The Tee Rotates Around the Pipe. These are Furniture Grade Internal PVC Fittings. The Odd-Looking Thing on the Bottom is a Chaise Lounge Positioning Bracket. I Painted One Fitting So You Can See How It Works.