Bunn
Coffee filters for the Bunn System III
Takes this filter
15⅛ × 5⅜ in384 × 137 mm · Flat-bottom basket
Compatible FLTR PUR: Fetco 001 Style Coffee Filters
Sold as 15 × 5½ in · measures 381 × 140 mm (15 × 5½ in) laid flat · 500 filters
Original is 15.1 × 5.4 in; ours is 15 × 5.5 in.
Ordering by the case? Request case pricing
The Bunn 20120 filter and its other names
| Brand and part | Size | Also sold as | FLTR PUR |
|---|---|---|---|
| Bunn 20120 | 15⅛ × 5⅜ in384 × 137 mm | Compatible Fetco 001 Style Coffee Filters |
How long a case lasts
Fetco 001 Style Coffee Filters comes 500 filters to a case. One filter per brew basket per batch; count each side of a twin brewer as its own batch.
More Bunn coffee makers
Questions and answers
What size coffee filter does the Bunn System III use?
The Bunn System III uses the Bunn 20120 (15⅛ × 5⅜ in, 384 × 137 mm) filter. FLTR PUR Fetco 001 Style Coffee Filters are compatible.
Can’t find your brewer? Measure your filter.
- A · Flat diameter: lay one filter flat and measure edge to edge.
- B · Base: measure across the flat bottom of a formed filter.
- C · Wall height: measure the fluted side from base to rim.
Send us your size
Spot an error, or know a brewer we’re missing?
Every change is checked against the manufacturer before it goes live. A link to a manual, spec sheet or the brand’s own page helps most.
Brand names are trademarks of their respective owners, used only to identify compatibility. FLTR PUR is not affiliated with or endorsed by these manufacturers.