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4X3 #311 GALV. PLAIN REDUCER
Ducting & Sheet Metal
Pipe & Accessories
Reducers
4X3 #311 GALV. PLAIN REDUCER
Product #:
311P43
Description
Units of Measure:
EA
BX
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3-3.5 Ton
4 Ton
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80 Percent
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Elbows 90 Adj.
Elbows Adhesive
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90 Boots (Plaster Frame)
Center End Boots
Drawband
Air Boosters
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WYE
Tee
View All
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Cold Air
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100" Pipe
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90 Boots
Straight Boots
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48" Duct
60" Duct
96" Duct
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Cleats
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Angles (Short)
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24" Wall Stack
60" Wall Stack
96" Wall Stack
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90 Stack Boots
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Flashings
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Ceiling/Wall Registers
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Dampers
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Lay in
View All
Louvers
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View All
Thermostats
Aprilaire
Programmable
Non-Programmable
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White Rodgers
Programmable
Non-Programmable
View All
Pro 1/Ruud
Programmable
Non-Programmable
Temporary Construction
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Honeywell
Programmable
Non-Programmable
View All
ICM
View All
Cover Plates & Accessories
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View All
Closeout Inventory
Air Conditioners
View All
Coils
View All
View All
Filters, Ventilation & IAQ
UV Air Purification
Air Purifiers
Bulbs
Parts
View All
Air Cleaners
16X20
20X20
25X20
16X25
20X25
31X28
Parts &
Accessories
View All
Replacement Filters
Pleated
Nonpleated
Air Cleaner 11" Width
Air Cleaner 16" Width
Air Cleaner 20" Width
Air Cleaner 18" Width
Air Cleaner 21" Width
Air Cleaner 25" Width
Air Cleaner 28" Width
View All
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Bypass
Powered
Steam
Self Contained
Humidistats
Parts &
Accessories
View All
Dehumidifiers
View All
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HRV ERV
Zoning
View All
Ventilation
Dryer Vent
Ventilation Flex Duct
Vent Pipe
Exhaust &
Supply Fans
Ventilators
Ventilation Dampers
View All
Radon Testing & Mitigation
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View All
Refrigeration
R404A
View All
R407C
View All
R410A
View All
R421
View All
R22
View All
134A
View All
WC30
View All
WC50
View All
View All
Tools, Testing & Training
Test Instruments
Airflow Measurement
Carbon Monoxide Detectors
Leak Detectors
Pressure Measurement
Temperature &
Humidity Measurement
View All
Tools
Hand Tools
Inspection Tools
Refrigeration &
AC Tools
Tool Storage
Vacuums
View All
View All
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Water Heaters & Accessories
View All
Velocity Boilers
View All
System Components
Expansion Tanks
Gauges
View All
Valves & Controls
Ball Valves
Boiler Trim Kits
Miscellaneous
Pressure Reducing Valves
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View All
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