| coffee filter | 2.50 | ...a paper coffee filter. | ||
| special filter | 0.86 | Your special filters are probably helping, but not enough. | ||
| baxter-made filter | 0.59 | Baxter-made filters were still being analyzed. | ||
| new filter | 0.59 | A new filter was also designed. | ||
| charcoal filter | 0.53 | Protect yourself by wearing a respirator with a charcoal filter. | ||
| clogged filter | 0.39 | A clogged filter will obstruct proper air circulation and impede operating efficiency. | ||
| different filter | 0.39 | Different filters likely will be needed for searching for different evidence, he said. | ||
| electronic filter | 0.39 | The firm uses electronic filters to prevent workers from accessing the Internet. | ||
| dirty filter | 0.33 | So replace all dirty filters. | ||
| fresh filter | 0.33 | She slotted in a fresh filter. | ||
| natural filter | 0.33 | Development would not only rob the region of a huge natural filter. | ||
| polarizing filter | 0.33 | For deeper colors, you can darken a blue sky and reduce light reflections by using a polarizing filter over the lens. | ||
| tiny filter | 0.33 | The disease attacks the tiny filters in the kidney that remove waste from the blood. | ||
| built-in filter | 0.26 | But now there are a number of good, free mail programs with built-in filters. | ||
| electrostatic filter | 0.26 | It is an electrostatic reusable filter. | ||
| light filter | 0.26 | Venetian glass represents water and filters light. | ||
| sand filter | 0.26 | Traces of Legionella bacteria were found in sediment in the sand filter. | ||
| similar filter | 0.26 | The commercial on-line services offer similar filters, though they vary by company. |