Woot offers Bunn 500 Paper Regular Coffee Filter for 12-Cup Commercial Brewers (Case of 500) for $5.99 (orig. $11.76). Free shipping for Prime Members.

Product Description:
Time to stock up your coffee bar!  Featuring a case of 500 regular paper 12-Cup commercial coffee filters by Bunn.  Perfect for 12-Cup commercial coffee brewer machines!  Get it today.

• Filter size: 7.5" Diameter
• Made with special grade paper designed to release delicious taste and delightful aroma of your special coffee blends; semi-permeable surface, permeable by liquids, but not solids (like coffee grounds).
• Filter will not disintegrate when wet, ensuring that the grounds stay out of your coffee and in the filter where they belong!
• Supports most brands of drip coffee makers!