calimaero HWGG 4" Bird Deterrent Cowled Square Exhaust Wall Vent with Cushioned Non Return Flap

The actual stainless steel fabrication on the item I received was excellent. The vent-hood is very sturdy and made of reasonably thick material. I was expecting a spring held lid/door on the exhaust vent (from product photo), but that was not the case, they are just cotter pins at the hinge point. (Photo quality was insufficient to show this, and I interpreted what I saw as spring held door/cover.) The door hangs on gravity, and the slightest little breeze lifts it and allows slight back drafts for cross breezes.The gasket is entirely useless as it is only about half as thick as it needs to be for my application. (My block size is larger than the cover).

I was planning on this taking a few hours since I had two to install. It took about 45 minutes and 15 of that was spent cutting a bush back so I could get the ladder in position!The old plastic vent cover disintegrated in my hand, I cleaned out the birds nest, connected the ridged metal connector with flex tube, made sure the rubber gasket was in place and screwed the vent into place. Done! Fit perfectly into the opening the old one was in.There are "clips/pressure tabs" to hold the connector to the tube. Good design. The entire vent is stainless steel, unlike my old vent which was plastic and totally fell apart in less than 15 years.Can't say how long it will last or if it will work against animals/birds, but steel and steel mesh should last a good while, call me impressed.

I bought this for a bathroom vent, Hard part was drilling a 6" hole through a insulated concrete form wall. There is 6 1/2" of concrete in the wall. The hard part was having to cut through 4 pieces fo 1/2" rebar. What worked for cutting the rebar in the 6" hole was an oscillating saw. It took 4 blades. This was my last option before using a blow torch. The vent was just what I was expecting. It looks as though it will last and it is working nicely. I would have no problem ordering another.

I purchased 5 "calimaero HWGG 4" Bird Deterrent Cowled Square Exhaust Wall Vent with Cushioned Non Return Flap" to be installed by my contractor as part of a house renovation. He finally got to the point of installing them, and afterwards he informed me that there was no screen in any of them, so there was no bird deterrent. Was I shipped the wrong product? I need the bird deterrent portion, but have 5 vents installed without them.

I am impressed with the quality of this product.

I replaced my old damaged plastic duct cover with this stainless steel cover. Its a good fit for the original duct and look great.