Stand for High Pressure Molecular Sieve Air Drying Filter

This is a table-top stand for an AirTanksForSale.com-style high-pressure "Alpha" molecular sieve air-drying filter. ( http://www.airtanksforsale.com/AlphaFilter/ ) These filters need to be oriented vertically to function correctly, and have their fitting on the ends, meaning it's virtually impossible to use them without strapping them to a wall or other vertical surface... I don't like those limitations, so I made this!

This stand holds the filter in the correct orientation and leaves room fo