Giant all polypropylene filter housings are ideal for use in all industries where filtered liquids must remain totally free of contamination. These housings are especially essential in the semi-conductor, pharmaceutical and chemical processings industries. They are constructed entirely of virgin polypropylene without color, adders, fillers, reinforcements or lubricants. In critical applications, these all natural housings insure pure, cost effective filtration of a variety of solvents, acids, alcohols and chemicals without leaching or bacterial build up. Keystone 100% polypropylene housings provide an inexpensive alternative to teflon or fluoropolymer housings. Features include:

• 2 to 3 times the flow rate of standard housings.
• 100% polypropylene construction.
• Smooth contact surfaces to prevent bacteria and dirt buildup.
• Utilizes a non-lubricated silicone O-ring standard.
• No pressure relief button.