The longer sides bulge out. I bent those in, even then its not a tight fit on my over the range microwave top exhaust adapter that's 3"x9-3/4". The adapter walls are only 5/8" tall. Once the adapter is attached and microwave is re-installed, I can't access the adapter, it's in the gap between microwave and the bottom cabinet shelf.. WB06X10436 Microwaves Vent Damper Vent Kit for GE Microwaves Ovens Parts Replaces WB06X10133 WB06X0388, GE Microwave Vent Adapter for 942574, AH651224. 3.9 out of 5 stars. 6. Price, product page $36.99 $ 36. 99. 5% off coupon applied Save 5% with coupon. FREE delivery Mon, Apr 7 .

How to Properly Use Ductwork to Vent a Microwave Exhaust
How to Properly Use Ductwork to Vent a Microwave Exhaust
SpeediProducts 10 in. x 3.25 in. x 6 in. Galvanized
SpeediProducts 10 in. x 3.25 in. x 6 in. Galvanized
DUCVKC207 SYSTEM 100 SHORT MALE ROUND TO RECTANGULAR ADAPTER
DUCVKC207 SYSTEM 100 SHORT MALE ROUND TO RECTANGULAR ADAPTER
MagnaFlow 10766 Exhaust Tip Adapter, 3 Inch Inlet, 5 Inch
MagnaFlow 10766 Exhaust Tip Adapter, 3 Inch Inlet, 5 Inch
How To Install, Installing An Over The Range Microwave Dengarden
How To Install, Installing An Over The Range Microwave Dengarden
Deflecto 130 x 290mm Rectangular to Round Rangehood Adaptor
Deflecto 130 x 290mm Rectangular to Round Rangehood Adaptor
Adapter To Connect Two Uncrimped Pieces Of Vent HVAC DIY
Adapter To Connect Two Uncrimped Pieces Of Vent HVAC DIY
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Compare price to microwave exhaust duct
APPLIANCE MICROWAVE
APPLIANCE MICROWAVE
New Microwave Exhaust Vent / Air Damper Assbly General Electric
New Microwave Exhaust Vent / Air Damper Assbly General Electric
How to Install a Microwave Hood with Exhaust Fan DIY
How to Install a Microwave Hood with Exhaust Fan DIY
microwave vent install YouTube
microwave vent install YouTube
Oven hood vent new installation Hedgehog Home Services, LLC
Oven hood vent new installation Hedgehog Home Services, LLC
Microwave Exhaust Fan 5304441847 Appliance Depot
Microwave Exhaust Fan 5304441847 Appliance Depot
LG MVEL213** Microwave Oven Owner's Manual
LG MVEL213** Microwave Oven Owner's Manual
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Compare price to microwave exhaust duct
Best Microwave Hood Extension Removable Mini Hood Microvisor
Best Microwave Hood Extension Removable Mini Hood Microvisor
How To Vent A Microwave On An Interior Wall
How To Vent A Microwave On An Interior Wall
Microwaves With Vents To OutsideBestMicrowave
Microwaves With Vents To OutsideBestMicrowave
How To Install, Installing An Over The Range Microwave Dengarden
How To Install, Installing An Over The Range Microwave Dengarden
3B72144A LG Microwave Exhaust Adapter LG Canada Parts
3B72144A LG Microwave Exhaust Adapter LG Canada Parts
Ducting above microwave vent not aligned DIY Home Improvement Forum
Ducting above microwave vent not aligned DIY Home Improvement Forum
Revolutionize Your Kitchen The Ultimate Guide to Improving Your
Revolutionize Your Kitchen The Ultimate Guide to Improving Your
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Compare price to microwave exhaust duct
MBRP Exhaust UA2001 Universal Pipe Adapters 4
MBRP Exhaust UA2001 Universal Pipe Adapters 4" ID. To 5"
Over the Range Microwave Venting Options for Your Kitchen Robust
Over the Range Microwave Venting Options for Your Kitchen Robust
Microwave Wall Vent Kit Home Depot Wall Design Ideas
Microwave Wall Vent Kit Home Depot Wall Design Ideas
Compare price to microwave exhaust duct
Compare price to microwave exhaust duct
Tight Space Duct Work (7
Tight Space Duct Work (7" Duct For Microwave Venting) Is
How to Vent a Microwave On an Interior Wall How
How to Vent a Microwave On an Interior Wall How

The Master Flow 3-1/4 in. x 10 in. x 7 in. hood transition fan boot fits perfect with the proper offset for installing the duct work for the microwave. The 3-1/4 in. x 10 in. rectangular base is tall enough to allow the vent flap ample room to open and the 7 in. diameter is the right size for connecting to the roof vent.. The Microwave Exhaust Adapter is an OEM replacement part for GE built-in microwave ovens. Located at the top or rear of the microwave, the exhaust adapter connects the ventilation system that removes steam, smoke, and odors produced during cooking. Symptoms of a bad exhaust adapter can include: Moisture or steam films accumulating on interior surfaces    Strange vibration noises.