PRODUCTS LISTING FOR Vent Ports

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IMAGE PRODUCT DESCRIPTION
W85-1000 Horizontal vent port for door jamb applications. Narrow profile permits mounting in door jamb above door. Silicone flaps used to equalize atmosphere pressure in walk-in coolers and freezers. Red indicator light warns if unit stops functioning. Housing is UL flame retardant rated 94-5V. 
W86-1010 Pressure relief port for walk-in coolers and freezers. Square cut out. Two way air flow assures instant pressure balance. Insulated and vermin proof screened openings. Maintenance free and easy to install. Requires a 4-1/2" x 4-1/2" (114mm x 114mm) opening. 
W86-1012 Pressure relief port for walk-in coolers and freezers. Square cut out. Two way air flow assures instant pressure balance. Insulated and vermin proof screened openings. Maintenance free and easy to install. Requires a 4-1/2" x 4-1/2" (114mm x 114mm) opening. 
W86-1020 Pressure relief port for walk-in coolers and freezers. Square cut out. Two way air flow assures instant pressure balance. Insulated and vermin proof screened openings. Maintenance free and easy to install. Requires a 4-1/2" x 4-1/2" (114mm x 114mm) opening. 
W86-1024-36 Pressure relief port for walk-in coolers and freezers. Square cut out. Two way air flow assures instant pressure balance. Insulated and vermin proof screened openings. Maintenance free and easy to install. Requires a 4-1/2" x 4-1/2" (114mm x 114mm) opening. 
W86-2010 Pressure relief port for walk-in coolers and freezers. Square cut out. Two way air flow assures instant pressure balance. Insulated and vermin proof screened openings. Maintenance free and easy to install. Requires a 4-1/2" x 4-1/2" (114mm x 114mm) opening. 
W88-1010 Pressure relief port for walk-in refrigerators and freezers. Round cut out. Two way valve unit allows air flow in dual directions, compensating for expansion and contraction during frigeration cycles.  
W88-1010-6000 Pressure relief port for walk-in refrigerators and freezers. Round cut out. Two way valve unit allows air flow in dual directions, compensating for expansion and contraction during frigeration cycles. For 6" wall thickness. 
W88-1012 Pressure relief port for walk-in refrigerators and freezers. Round cut out. Two way valve unit allows air flow in dual directions, compensating for expansion and contraction during frigeration cycles.  
W88-2010 Pressure relief port for walk-in refrigerators and freezers. Round cut out. Two way valve unit allows air flow in dual directions, compensating for expansion and contraction during frigeration cycles.  

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