Miniature Louvers | McMaster-Carr

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83 Products

Louvers for Enclosures

Relieve heat buildup and prevent condensation from forming inside enclosures and other small spaces.

Surface Mount

Surface

Mount

Gray Powder-Coated Steel Frame and Blades—Powder-coated steel louvers are rugged and durable.

316 Stainless Steel Frame and Blades—316 stainless steel louvers are rugged and durable.

	For Opening		Overall				Mounting
	Wd.	Ht.	Wd.	Ht.	Blade Thk.	No. of Panels	Fasteners Included	Hole Dia.		Each
Gray Powder-Coated Steel Frame and Blades







				Standard Louver Collar

				1 3/4"	2"	3 1/4"	3 1/4"	0.075"	1	Yes	7/32"	1667T34	000000


				3"	2 5/8"	4 1/2"	3 7/8"	0.075"	1	Yes	7/32"	1667T36	00000
				3"	3 1/2"	4 1/2"	4 3/4"	0.075"	1	Yes	7/32"	1667T51	00000
				4"	3 1/4"	5 1/2"	4 1/2"	0.075"	1	Yes	7/32"	1667T38	00000
				4"	4 3/8"	5 1/2"	5 5/8"	0.075"	1	Yes	7/32"	1667T55	00000
				6"	4 3/8"	7 1/2"	5 5/8"	0.075"	1	Yes	7/32"	1667T59	00000
				6"	6 5/8"	7 1/2"	7 7/8"	0.075"	1	Yes	7/32"	1667T62	00000
				8"	4 9/16"	9 1/2"	5 13/16"	0.075"	1	Yes	7/32"	1667T43	00000
				8"	6 15/16"	9 1/2"	8 3/16"	0.075"	1	Yes	7/32"	1667T45	00000
				8"	9 5/16"	9 1/2"	10 9/16"	0.075"	1	Yes	7/32"	1667T68	00000
				8"	14 1/16"	9 1/2"	15 5/16"	0.075"	1	Yes	7/32"	1667T47	00000


				316 Stainless Steel Frame and Blades







								Standard Louver Collar

								1 3/4"	2"	3 1/4"	3 1/4"	0.075"	1	Yes	7/32"	1667T71	000000


								3"	2 5/8"	4 1/2"	3 7/8"	0.075"	1	Yes	7/32"	1667T73	000000
								3"	3 1/2"	4 1/2"	4 3/4"	0.075"	1	Yes	7/32"	1667T75	000000
								4"	3 1/4"	5 1/2"	4 1/2"	0.075"	1	Yes	7/32"	1667T77	000000
								4"	4 3/8"	5 1/2"	5 5/8"	0.075"	1	Yes	7/32"	1667T79	000000
								6"	4 3/8"	7 1/2"	5 5/8"	0.075"	1	Yes	7/32"	1667T82	000000
								6"	6 5/8"	7 1/2"	7 7/8"	0.075"	1	Yes	7/32"	1667T84	000000
								8"	4 9/16"	9 1/2"	5 13/16"	0.075"	1	Yes	7/32"	1667T86	000000
								8"	6 15/16"	9 1/2"	8 3/16"	0.075"	1	Yes	7/32"	1667T88	000000
								8"	9 5/16"	9 1/2"	10 9/16"	0.075"	1	Yes	7/32"	1667T91	000000
								8"	14 1/16"	9 1/2"	15 5/16"	0.075"	1	Yes	7/32"	1667T93	000000

Flush Mount


White Plastic Frame and Blades	Aluminum Frame and Blades	Anodized Aluminum Frame and Blades

Black Anodized Aluminum Frame and Blades	White Powder-Coated Aluminum Frame and Blades	Flush Mount

Aluminum Frame and Blades—All aluminum louvers have small openings between their blades to stop bugs from getting inside your enclosure.

Anodized Aluminum Frame and Blades—All aluminum louvers have small openings between their blades to stop bugs from getting inside your enclosure. Anodized aluminum louvers withstand corrosion better than unfinished and powder-coated aluminum louvers. They’re good for settings such as saltwater environments.

Black Anodized Aluminum Frame and Blades—All aluminum louvers have small openings between their blades to stop bugs from getting inside your enclosure. Black anodized aluminum louvers withstand corrosion better than unfinished and powder-coated aluminum louvers. They’re good for settings such as saltwater environments.

White Powder-Coated Aluminum Frame and Blades—All aluminum louvers have small openings between their blades to stop bugs from getting inside your enclosure.

Darkroom Environments—Darkroom louvers have a shield on the back that blocks out light—use them where light control is a concern.

		Overall
	For Opening Dia.	Dia.	Dp.	For Min. Wall Thk.	For Max. Wall Thk.	Blade Thk.	No. of Panels	Mounting Fasteners Included	Pkg. Qty.		Pkg.
White Plastic Frame and Blades







				Standard Louver Collar

				2"	2 1/2"	1"	1/8"	—	0.07"	1	No	1	2016K23	00000


				3"	3 1/2"	1"	1/8"	—	0.07"	1	No	1	2016K25	0000
				4"	4 1/2"	1"	1/8"	—	0.07"	1	No	1	2016K26	0000


				Aluminum Frame and Blades







								Standard Louver Collar

								1"	1 1/4"	3/8"	1/8"	—	0.015"	1	No	12	2016K1	00000


								1 1/2"	1 3/4"	3/8"	1/8"	—	0.015"	1	No	12	2016K2	00000
								2"	2 1/2"	1/2"	1/8"	—	0.015"	1	No	12	2016K3	00000
								2 1/2"	3"	5/8"	1/8"	—	0.015"	1	No	1	2016K4	0000
								3"	3 1/2"	5/8"	1/8"	—	0.015"	1	No	1	2016K35	0000
								4"	4 1/2"	3/4"	1/8"	—	0.015"	1	No	1	2016K36	0000




										Tabbed Louver Collar

										1"	1 1/8"	3/8"	—	1/8"	0.015"	1	No	1	2016K66	0000


										1 1/2"	1 3/4"	3/8"	—	1/8"	0.015"	1	No	1	2016K67	0000
										2"	2 3/8"	1/2"	—	1/8"	0.015"	1	No	1	2016K68	0000
										2 1/2"	2 15/16"	5/8"	—	1/8"	0.015"	1	No	1	2016K69	0000
										3"	3 1/2"	5/8"	—	1/8"	0.015"	1	No	1	2016K71	0000
										4"	4 1/2"	3/4"	—	1/8"	0.015"	1	No	1	2016K72	0000


										Anodized Aluminum Frame and Blades







														Standard Louver Collar

														1"	1 1/8"	3/8"	1/8"	—	0.015"	1	No	1	2016K59	0000


														1 1/2"	1 3/4"	3/8"	1/8"	—	0.015"	1	No	1	2016K61	0000
2"														2 3/8"	1/2"	1/8"	—	0.015"	1	No	1	2016K62	0000
2 1/2"	2 15/16"													5/8"	1/8"	—	0.015"	1	No	1	2016K63	0000
3"	3 1/2"													5/8"	1/8"	—	0.015"	1	No	1	2016K64	0000
4"	4 1/2"													3/4"	1/8"	—	0.015"	1	No	1	2016K65	0000




		Tabbed Louver Collar

		1"	1 1/8"											3/8"	—	1/8"	0.015"	1	No	1	2016K73	0000


		1 1/2"	1 3/4"											3/8"	—	1/8"	0.015"	1	No	1	2016K74	0000
		2"	2 3/8"											1/2"	—	1/8"	0.015"	1	No	1	2016K75	0000
		2 1/2"	2 15/16"											5/8"	—	1/8"	0.015"	1	No	1	2016K76	0000
		3"	3 1/2"											5/8"	—	1/8"	0.015"	1	No	1	2016K77	0000
		4"	4 1/2"											3/4"	—	1/8"	0.015"	1	No	1	2016K78	0000


		Black Anodized Aluminum Frame and Blades







						Standard Louver Collar

						1"	1 1/8"							3/8"	1/8"	—	0.015"	1	No	1	2016K53	0000


						1 1/2"	1 3/4"							3/8"	1/8"	—	0.015"	1	No	1	2016K54	0000
						2"	2 3/8"							1/2"	1/8"	—	0.015"	1	No	1	2016K55	0000
						2 1/2"	2 15/16"							5/8"	1/8"	—	0.015"	1	No	1	2016K56	0000
						3"	3 1/2"							5/8"	1/8"	—	0.015"	1	No	1	2016K57	0000
						4"	4 1/2"							3/4"	1/8"	—	0.015"	1	No	1	2016K58	0000




								Standard Louver Collar—Darkroom Environments

								4"	4 1/2"					3/4"	1/8"	—	0.015"	1	No	1	2016K9	00000


								White Powder-Coated Aluminum Frame and Blades







																Standard Louver Collar

										1"	1 1/4"					3/8"	1/8"	—	0.015"	1	No	12	2016K11	00000


										1 1/2"	1 3/4"					3/8"	1/8"	—	0.015"	1	No	1	2016K79	0000
										2"	2 1/2"	1/2"				1/8"	—	0.015"	1	No	1	2016K43	0000
										2 1/2"	2 15/16"	5/8"	1/8"			—	0.015"	1	No	1	2016K52	0000
										3"	3 1/2"	5/8"	1/8"			—	0.015"	1	No	1	2016K45	0000
										4"	4 1/2"	3/4"	1/8"			—	0.015"	1	No	1	2016K46	0000

Weather-Resistant Louvers for Enclosures

With a gasketed sealing kit, these louvers shield your enclosure from dirt, moisture, and weather while regulating heat and stopping condensation from forming inside. All have an aluminum mesh filter that keeps out solid debris and water.

1 Panel


	Surface Mount	Replacement Louver Filters

Stainless Steel Frame and Blades—Stainless steel louvers stand up to corrosion better than powder-coated steel louvers.

	Louvers														Replacement Louver Filters
	For Opening		Overall			Mounting
	Wd.	Ht.	Wd.	Ht.	Blade Thk.	Profile	Fasteners Included	Hole Dia.	For Use Outdoors	Enclosure Rating	Certification	Includes		Each		Each
Gray Powder-Coated Steel Frame and Blades



		2 3/4"	3"	5 5/16"	5 9/16"	0.07"	Surface	Yes	1/4"	Yes	NEMA 3R	CSA Certified, UL Recognized Component	One Aluminum Mesh Filter, Two Mounting Brackets	5708N11	000000	5708N711	000000


		3 3/4"	2 7/8"	6 5/16"	5 5/16"	0.07"	Surface	Yes	1/4"	Yes	NEMA 3R	CSA Certified, UL Recognized Component	One Aluminum Mesh Filter, Two Mounting Brackets	5708N12	00000	5708N712	00000
		3 3/4"	4"	6 5/16"	6 3/8"	0.07"	Surface	Yes	1/4"	Yes	NEMA 3R	CSA Certified, UL Recognized Component	One Aluminum Mesh Filter, Two Mounting Brackets	5708N13	00000	5708N713	00000


		Stainless Steel Frame and Blades



				2 3/4"	3"	5 5/16"	5 9/16"	0.07"	Surface	Yes	1/4"	Yes	NEMA 3R	CSA Certified, UL Recognized Component	One Aluminum Mesh Filter, Two Mounting Brackets	5708N21	000000	5708N711	00000


				3 3/4"	2 7/8"	6 5/16"	5 5/16"	0.07"	Surface	Yes	1/4"	Yes	NEMA 3R	CSA Certified, UL Recognized Component	One Aluminum Mesh Filter, Two Mounting Brackets	5708N22	000000	5708N712	00000
				3 3/4"	4"	6 5/16"	6 3/8"	0.07"	Surface	Yes	1/4"	Yes	NEMA 3R	CSA Certified, UL Recognized Component	One Aluminum Mesh Filter, Two Mounting Brackets	5708N23	000000	5708N713	00000

2 Panels


	Surface Mount	Replacement Louver Filters

	Louvers														Replacement Louver Filters
	For Opening		Overall			Mounting
	Wd.	Ht.	Wd.	Ht.	Blade Thk.	Profile	Fasteners Included	Hole Dia.	For Use Outdoors	Enclosure Rating	Certification	Includes		Each		Each
Gray Powder-Coated Steel Frame and Blades



		5 3/4"	3 1/2"	8 5/16"	6 3/8"	0.07"	Surface	Yes	1/4"	Yes	NEMA 3R	CSA Certified, UL Recognized Component	One Aluminum Mesh Filter, Two Mounting Brackets	5708N14	000000	5708N714	000000


		5 3/4"	5 3/4"	8 5/16"	8 11/16"	0.07"	Surface	Yes	1/4"	Yes	NEMA 3R	CSA Certified, UL Recognized Component	One Aluminum Mesh Filter, Two Mounting Brackets	5708N15	00000	5708N715	00000
		7 3/4"	3 3/4"	10 5/16"	6 5/8"	0.07"	Surface	Yes	1/4"	Yes	NEMA 3R	CSA Certified, UL Recognized Component	One Aluminum Mesh Filter, Two Mounting Brackets	5708N16	00000	5708N716	00000
		7 3/4"	6 1/4"	10 5/16"	9"	0.07"	Surface	Yes	1/4"	Yes	NEMA 3R	CSA Certified, UL Recognized Component	One Aluminum Mesh Filter, Two Mounting Brackets	5708N17	00000	5708N717	00000
		7 3/4"	8 1/2"	10 5/16"	11 3/8"	0.07"	Surface	Yes	1/4"	Yes	NEMA 3R	CSA Certified, UL Recognized Component	One Aluminum Mesh Filter, Two Mounting Brackets	5708N18	00000	5708N718	00000
		7 3/4"	13 1/4"	10 5/16"	16 1/8"	0.07"	Surface	Yes	1/4"	Yes	NEMA 3R	CSA Certified, UL Recognized Component	One Aluminum Mesh Filter, Two Mounting Brackets	5708N19	00000	5708N719	00000