【Universal Compatibility】This CMXEVBE38660 muffler diffuser wet dry vac Inside diameter is 2 inches and outside diameter is 2-1/4 inch, fits Craftsman shop vac models CMXEVBE17595, 17596, 113170660, 113179715, 11317099, 113177621, 113170370, 113179100, 113179155, 113170380, and most shop vac attachments 2 1/2 inch. CMXEVBE38660 Not compatible with Craftsman 113.177280. 【Noise Reduction & Dust Control】Tired of loud shop vac exhaust filter noise and blowback? Our muffler diffuser reduces air noise by 50%+ and diffuses airflow to prevent dust/debris scattering—ideal for vacuum polishing machine accessories or gutter vacuums. Enjoy a quiet shop vac experience! 【Industrial-Grade Durability】Built for heavy-duty use, this Craftsman shop vac part features rugged construction to withstand daily jobsite abuse. Perfect for rigid shop vacs, dewalt shop vac, or craftsman wet dry vac filter systems. No cracks, no leaks—just reliable performance. 【Easy Snap-On Installation】No tools needed! Simply attach this diffuser attachment to your shop vac extractor attachment port (2.5” standard). Locking tabs ensure a secure fit—no wobbling or dislodging during operation. Includes noise-dampening foams for extra quietness. 【Multi-Brand Versatility】Works as rigid vacuum attachments, craftsman shop vac hose add-on, or vacuum cleaner nozzle dust collector. Also compatible with attachments craftsman 12 gallon shop vac and extractor attachment for wet vac. shop vac muffler diffuser shop vac muffler diffuser 2 1/4 shop vac muffler diffuser 2 /1/2 shop vac muffler diffuser dewalt shop vac muffler diffuser 5 gallon 5 gallon shop vac muffler diffuser shop vac muffler diffuser 6 inch shop vac muffler diffuser 8 inch shop vac muffler diffuser 2 15 shop vac muffler diffuser 2 shop vac muffler diffuser 2 inch shop vac muffler diffuser 15 shop vac muffler diffuser 3 inch shop vac muffler diffuser 5 inch shop vac muffler diffuser 1 shop vac muffler diffuser 16 shop vac muffler diffuser 10 shop vac muffler diffuser 14 shop vac muffler diffuser 1 inch shop vac muffler diffuser 4 inch shop vac muffler diffuser 2 1/2 ridgid shop vac muffler diffuser rigid shop vac muffler diffuser craftsman shop vac muffler diffuser dewalt shop vac muffler diffuser shop vac muffler diffuser ridgid 2 1/2 inch shop vac diffuser muffler craftsman vacuum muffler diffuser craftsman shop vac muffler craftsman shop vac diffuser craftsman shop vac muffler 1 inch craftsman shop vac muffler filter craftsman shop vac diffuser 1 inch craftsman 1 inch muffler diffuser craftsman muffler diffuser 1 inch craftsman shop vac muffler diffuser 1 in craftsman shop vac muffler diffuser 12 gallon craftsman 4 gallon shop vac muffler diffuser craftsman vacuum muffler craftsman 16 gallon shop vac muffler craftsman 20 gallon shop vac exhaust muffler craftsman 16 gallon shop vac muffler filter ridgid muffler diffuser ridgid muffler diffuser foam ridgid vacuum muffler diffuser ridgid muffler diffuser vt2525 ridgid shop vac muffler diffuser foam 2-1/2-inch vacuum diffuser muffler for ridgid shop vac rigid shop vac noise muffler diffuser muffler diffuser wet/dry vac attachment for ridgid ridgid vacuum noise muffler/diffuser ridgid 72927 vt2525 wet/dry vacuum noise muffler/diffuser shop vac muffler shop vac muffler ridgid shop vac muffler filter shop vac muffler dewalt shop vac muffler 2 1/2 shop vac muffler 3 inch shopvac muffler diffuser ridgid 6.0 shop vac muffler wd10600 rigid 16 gallon shop vac muffler shop vac muffler collector filter shop vac muffler for richard wd 40500 muffler for ridgid shop vac model 16000 ridgid shop vac noise muffler ridgid shop vac muffler muffler diffuser muffler diffuser for shop vac muffler diffuser foam muffler diffuser wet/dry vac muffler diffuser for rigid wet/dry vacuum muffler diffuser wet/dry vac attachment muffler diffuser foam replacement muffler diffuser for 2005 acura tl muffler diffuser wet dry vac rigid muffler diffuser wet/dry vac replacement craftsman muffler diffuser wet/dry vac muffler diffuser wet/dry vac attachment for craftsman dewalt muffler diffuser wet/dry vac dewalt muffler diffuser wet/dry vac attachment muffler diffuser 3 inch 3 inch muffler diffuser muffler diffuser wet dry vac muffler diffuser wet wet dry vac muffler wet and dry vac muffler muffler diffuser wet and dry vac muffler diffuser wet dry vac 4 gallon muffler diffuser wet dry vac 5 gallon muffler diffuser wet dry vac 6 gallon muffler diffuser wet dry vac 10 gallon muffler diffuser wet dry vac 12 gallon muffler diffuser wet/dry vac attachment 2-1/2 inch exhaust muffler 2.5 inch 2.5" shop vacuum muffler diffuser rigid shop vac exhaust muffler muffler for craftsman shop vac muffler for model k14-400 shop vac rigid shop vac discharge muffler shop vac exhaust filter rigid 4 gal shop vac exhaust filter ridgid nxt hb18000 shop exhaust vac filter ridged shop vac 1 1/4 exhaust filter shop vac exhaust port filter craftsman vacuum exhaust filter craftsman shop vac exhaust air filter ridge v