Description: 2 pack of Thomas Filters - Ø2.06" Foam (Intake) Prefilter used on the Black Filter housing # 660587.

These are a little over 2" in diameter and 3/4" Thick.

Used on Multiple Thomas models such as those starting with:

2650

2660

2668

2688

2680

2685

2669 

2770

2775

2755

2750

660 

680

668

689, etc.