MERV 13 Filters | McMaster-Carr

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Ultra Efficiency

Filter Efficiency @ 3 Microns

Filter Efficiency

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Removes Particle Size Down To

Less than 100 μm

Filter Efficiency @ 0.3 Microns

45%

50%

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Pleated

Filter Efficiency @ 1 Microns

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EAR99

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About Air Filter Efficiency Ratings

Compare MERV rating, efficiency, and particle size to find the right filter for your location—from warehouses and offices to hospitals and labs.

Ultra-Efficiency Pleated Panel Air Filters

Capture more viruses and finer allergens than high-efficiency filters—these ultra-efficiency filters can even remove contaminants from wildfire smoke and pollution. They have pleats that create a large surface area for filtering without reducing airflow. The cardboard frame is treated to resist humidity, and the galvanized steel grill prevents sagging.

While these ultra-efficiency filters may make your HVAC system work harder than lower efficiency filters, they’re still easier on your equipment than HEPA filters.

					Small Pack			Large Pack
	HVAC Filter Trade Size	MERV Filter Rating	Max. Temp., ° F	Specs. Met	Pkg. Qty.		Pkg.	Pkg. Qty.		Pkg.
1" Thick



		10 × 10	13	150	UL 900	2	3881T101	000000	12	3881T102	0000000


		10 × 20	13	150	UL 900	2	3881T103	00000	12	3881T104	000000
		12 × 12	13	150	UL 900	2	3881T105	00000	12	3881T106	000000
		12 × 16	13	150	UL 900	2	3881T107	00000	12	3881T108	000000
		12 × 20	13	150	UL 900	2	3881T109	00000	12	3881T111	000000
		12 × 24	13	150	UL 900	2	3881T112	00000	12	3881T113	000000
		14 × 25	13	150	UL 900	2	3881T114	00000	12	3881T115	000000
		15 × 20	13	150	UL 900	2	3881T116	00000	12	3881T117	000000
		16 × 16	13	150	UL 900	2	3881T118	00000	12	3881T119	000000
		16 × 20	13	150	UL 900	2	3881T121	00000	12	3881T122	000000
		16 × 25	13	150	UL 900	2	3881T123	00000	12	3881T124	000000


		16 × 30	13	150	UL 900	2	3881T125	00000	12	3881T126	000000
		18 × 18	13	150	UL 900	2	3881T127	00000	12	3881T128	000000
		18 × 24	13	150	UL 900	2	3881T129	00000	12	3881T131	000000
		20 × 20	13	150	UL 900	2	3881T132	00000	12	3881T133	000000
		20 × 24	13	150	UL 900	2	3881T134	00000	12	3881T135	000000
		20 × 25	13	150	UL 900	2	3881T136	00000	12	3881T137	000000
		20 × 30	13	150	UL 900	2	3881T138	00000	12	3881T139	000000
		24 × 24	13	150	UL 900	2	3881T141	00000	12	3881T142	000000


		2" Thick



				10 × 10	13	150	UL 900	2	3881T143	00000	12	3881T144	000000


				12 × 12	13	150	UL 900	2	3881T145	00000	12	3881T146	000000
				12 × 16	13	150	UL 900	2	3881T147	00000	12	3881T148	000000
				12 × 20	13	150	UL 900	2	3881T149	00000	12	3881T151	000000
				12 × 24	13	150	UL 900	2	3881T152	00000	12	3881T153	000000
				14 × 25	13	150	UL 900	2	3881T154	00000	12	3881T155	000000
				15 × 20	13	150	UL 900	2	3881T156	00000	12	3881T157	000000
				16 × 16	13	150	UL 900	2	3881T158	00000	12	3881T159	000000
				16 × 20	13	150	UL 900	2	3881T161	00000	12	3881T162	000000
				16 × 24	13	150	UL 900	2	3881T163	00000	12	3881T164	000000
				16 × 25	13	150	UL 900	2	3881T165	00000	12	3881T166	000000


				18 × 18	13	150	UL 900	2	3881T167	00000	12	3881T168	000000
				18 × 24	13	150	UL 900	2	3881T169	00000	12	3881T171	000000
				20 × 20	13	150	UL 900	2	3881T172	00000	12	3881T173	000000
				20 × 24	13	150	UL 900	2	3881T174	00000	12	3881T175	000000
				20 × 25	13	150	UL 900	2	3881T176	00000	12	3881T177	000000
				20 × 30	13	150	UL 900	2	3881T178	00000	12	3881T179	000000
				24 × 24	13	150	UL 900	2	3881T181	00000	12	3881T182	000000


				4" Thick



						12 × 24	13	150	UL 900	2	3881T183	00000	6	3881T184	000000


						14 × 25	13	150	UL 900	2	3881T185	00000	6	3881T186	000000
16 × 20						13	150	UL 900	2	3881T187	00000	6	3881T188	000000
16 × 25	13					150	UL 900	2	3881T189	00000	6	3881T191	000000
18 × 24	13					150	UL 900	2	3881T192	00000	6	3881T193	000000
20 × 20	13					150	UL 900	2	3881T194	00000	6	3881T195	000000
20 × 24	13					150	UL 900	2	3881T196	00000	6	3881T197	000000
20 × 25	13					150	UL 900	2	3881T198	00000	6	3881T199	000000
24 × 24	13					150	UL 900	2	3881T201	00000	6	3881T202	000000

Ultra-Efficiency Odor-Removing Pleated Panel Air Filters

Clear the air of fine particles and odors caused by high levels of pollution, such as wildfire smoke. These filters contain carbon granules to absorb odors. Pleats create a large surface area to filter without reducing airflow.

	MERV Filter Rating	Carbon Concentration, g/ft²	Max. Temp., ° F	Specs. Met		Each
2" Thick



	12 × 24	13	18	180	UL 900	5482N11	0000000


	20 × 20	13	18	180	UL 900	5482N12	000000
	20 × 24	13	18	180	UL 900	5482N13	000000
	20 × 25	13	18	180	UL 900	5482N14	000000
	24 × 24	13	18	180	UL 900	5482N15	000000