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Description
Mountain Air 200/500 Carbon Filter — 740 m³/hrMountain Air 200 500 Carbon Filter 740 m hr The 200mm (8") version of Mountain Air's pro grade filter range same durable build, tested 37 month lifespan, and serious carbon density that's made the brand a reference in UK grow room odour control. Paired with an 8" extraction fan, this handles flowering tents from 1. 5m x 1. 5m up through small commercial setups. Why growers choose Mountain Air 200 500: 740 m hr airflow rating sized for 1. 5m tents and
Mountain Air 200/500 Carbon Filter — 740 m³/hr
The 200mm (8") version of Mountain Air's pro-grade filter range — same durable build, tested 37-month lifespan, and serious carbon density that's made the brand a reference in UK grow-room odour control. Paired with an 8" extraction fan, this handles flowering tents from 1.5m x 1.5m up through small commercial setups.
Why growers choose Mountain Air 200/500:
- 740 m³/hr airflow rating — sized for 1.5m tents and medium grow rooms with 8" extraction
- 37-month tested lifespan — 100% odour elimination across three full years of continuous flowering, in independent testing
- Deep activated carbon bed — more carbon by volume than budget filters, holds up to heavy flowering loads
- 200mm (8") flange — standard UK sizing, pairs directly with 8" fans and ducting
- Aluminium mesh construction — lighter than steel-body filters, easier to suspend in a tent frame
- Unique interior design — maximises carbon surface exposure to air, cleaner output than simpler filter designs
Who it's not for:
For smaller 1.2m tents, the 150mm filter is better matched — oversizing wastes carbon and pairing with an undersized fan chokes airflow. For larger 1.5m+ commercial rooms, step up to the 250mm or 315mm versions. Always match filter size to fan size.
See it running in our Stone shop. Drop by Unit 24, Emerald Way, Stone Business Park (ST15 0SR) to see this fixture set up, or call us on 01785 556355 (Mon–Fri, 10am–5pm) to talk through whether it's the right choice for your tent size and grow style. In stock now with 24hr UK dispatch, or choose click & collect at checkout.
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Exchange/Return Notes
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4.4 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
The same convoluted / painful User Experience as existed in the 1980s
I hadn't purchased something like this since college so I assumed it would be a radically different UX (user experience) regarding setup / functionality. Nope. Getting the device to actually play the audio I'm hoping / attempting to play is a constant battle. (Certainly partially due to my incompetence and also the horrible projector software I'm using (BenQ - atrocious software). I'm sure after I've owned the Yamaha for 5-10 years I'll get the hang of it but it would certainly be nice if these incredible systems could communicate w/ one another (i.e. "hey, there's a signal coming in from Device X - I think I'll hide all dormant inputs so it's less confusing..." Annnyway, the sound is absolutely fantastic. I'm thrilled w/ the quality of sound every time we use it. After my anger fades because I just spent 20-30 minutes trying to get sound to output for the movie / game / show we're attempting to watch. Yes, I'm a grumpy old man. You will be too one day.
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Reviewed in the United States on June 21, 2023
★★★★★ 4
Mostly Satisfied, but a little let down!
I am upgrading from a Yamaha RXA-870 which is still a great amp and I love it, but wanted the ATMOS with 11.2 surround... The RXA-870 has a far superior Web App to where you can control so much ore. The A8A has a lot of control, but seems to be missing the Web App to better control the Surround Sound, The A8A seems to be more automated... I am also having issues where when I calibrate the speakers it continually gives me a message that there is a wiring problem with my Right Speaker, but nothing is wrong with the Right Speaker... When they say that it take 45 Minutes to update the software... They are not lying.. Downloaded to USB and Updated via USB... and it took 45 Minutes... It was flawless, but not as fast as I was hoping. When they say this unit is heavy... they were being 100% truthful... I had to get a neighbors help to set it on the shelf that I wanted it on.. and if you put it on a shelf... IT HAD BETTER BE HEAVY DUTY! -
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Reviewed in the United States on August 27, 2024
★★★★★ 5
Yamaha A8A
I upgraded from a Onkyo 6100 to support 4 atmos in ceiling speakers. This avr has many more options and power to spare. I love the ability to log in the reciever using the IP address to make all my adjustments. I am able to use a laptop at the listening position to fine tune the sound to my taste. The sound quality has a natural feel to it. It is not too bright on or boomy. I would highly recommend this avr.
Pros
Sound quality
Flexible
Plenty of power
YPAO room correction finally works as it should.
Cons
It does put off some heat but that is typical with class AB amps.
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Reviewed in the United States on July 5, 2023
★★★★★ 5
Great AV Features!
I have always been a Yamaha customer for AV and audio components. I always thought their quality is exceptional for the price of the units. For this AVR I first bought the Marantz SR-7015 and set it up only to find a problem with the audio cutting out randomly. I found there were some review posts about this anomaly. I bought the Marantz because it cost less than the Yamaha RX-A8A with similar features and it was available at a retail store. I returned it and purchased this unit through Amazon. I love it! Easy to setup. The menu system is so much easier than the Marantz. I recommend it for those who want to spend a little more for quality.
Note: HDMI CEC is an issue with this unit and others so don't hold it against Yamaha. Streaming systems (like Roku) don't work well because their output is always on and the RX-A8A sees the signal and sometime switches to it automatically when video passthrough is enabled when the system is off. Other devices included. That is I have a Sony Ultra HD BD/DVD player and I needed to turn off HDMI CEC because it would always turn on when I turned on the TV and it was selected as the input. Even though my STB was on and the last input. My STB does not support HDMI CEC so that is why the input switched. Again, not an issue with Yamaha but on the standard.
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Reviewed in the United States on June 27, 2022
★★★★★ 5
Upgrading Home Theater to 4K, SONY STR-AN1000 7 has Awesome Surround Sound and Stunning Pictures
After many years of enjoying my Epson 2150 Home Cinema and my SONY STR-DN1080, I decided to upgrade to a 4K projector. I use my projector as a television, to watch movies, sports, etc., on a daily basis. Upgrading to a 4K projector required me ass well to upgrade my home theatre receiver to 4K. Both of my previous devices were 1080. I upgraded my receiver to a Sony STR-AN1000 7.2 Channel (7 x 165 Watt) Surround Sound Home Theater 8K A/V Receiver and my projector to a LG CineBeam UHD 4K projector. Immediately upon connecting my new 4K devices, I experienced difficulties. The picture was jumpy and intermittent, and I could not seamlessly switch from one input on my new home theater to another. Before the upgrade, I would regularly switch among all of my playback and streaming devices. I started panicking thinking I would have to return all of my new equipment, reconnect my old home theater receiver, and put my old projector back into the ceiling. I decided to call customer support. First, I called LG support. Then I called SONY support.
The SONY tech support figured out that the SONY equipment was working properly, but that the LG projector was not receiving the signals from my various devices. He told me the problem was that I needed also to upgrade my HDMI cable to a high-speed 4k cable. That immediately freaked me out because I have a 100 ft cable embedded in a ceiling that had been finished over the cable. No way I was going to rip apart the ceiling (thousands of dollars) to replace the HDMI cable. But his insight set me in the right direction. I did some online research and came across a solution that worked perfectly. Rather than tearing up my ceiling to install a new, high-speed HDMI 4K cable, I invested $39.00 in a HDMI 2.0 Repeater. This super mini HDMI repeater works by decoding and then re-encoding the HDMI signal to a new standard HDMI signal. It also extends the range of the signal. I was now getting perfect pictures from my Firestick and Fite TV Cube and was able to switch freely between them. I changed some of the display settings in the Fire Stick and Amazon Cube. However, I could not pick up the Xfinity TV signal on my LG 4K receiver. Picking up that signal required one last piece of equipment upgrade. I called Comcast technical support and determined that swapping out my Xfinity 1080 boxes for 4K boxes was an option available to me. Therefore, I returned my Xfinity 1080 cable box and swapped it out for an Xfinity 4K cable TV box. Problem solved. Now, I am receiving a perfect 4K image on the LG from all devices, and I can easily switch from one to the other.
Now, let's talk about the SONY STR-AN1000 features.
SONY STR-AN1000
This is a powerful and well-engineered home theater receiver. For me, the only reason to buy this receiver at this point in time was to upgrade my TV/ home theater watching from 1080 to 4K. My SONY 1080 still works fine. I have to figure out what I am going to do with it. The surround sound is awesome on the new STR-AN1000. It has this new Dolby Speaker Virtualization sound field simulation that totally immerses you in surround sound. You can control the SONY STR-AN1000 with your smartphone using the SONY Music Center App. There are plenty of digital and music streaming options. You have multi-room audio and video options using zone 2 and zone 3 outputs. Six HDMI inputs allow you to connect all of your media playback and streaming devices – Blue Ray player, Fire Stick, Fire TV Cube, ROKU Streaming stick, Cable/satellite TV Box, etc. Like my previous STR-DN1080, I can connect 7 speaker sets, including 2 sub-woofers. You can change the settings or switch from one input source to another easily. The on-screen display lets you make adjustments to your settings while looking at your TV screen. You can connect to the internet wirelessly or via an ethernet port. The only major feature this receiver is lacking is a phono input. I don’t mind that because I have another receiver from which to connect my turntables or record players. The remote control is much smaller than previous SONY home theater receiver remotes, making it more user-friendly and easier to understand. The Audio Return Channel (ARC and eARC) allows you to set your system up without the need for an optical audio cable. In my case, that means I don’t have to run an extra cable into the ceiling for the audio to work because the ARC and eARC transmit the audio signal. This receiver is capable of upscaling your video to both 4K and 8K. However, in my case, I found it necessary to get an Xfinity 4K cable box to watch my Xfinity programming. I am totally, 100 percent pleased with my SONY STR-AN1000 4K/8K home theater receiver. This is the fourth SONY home theater receiver I have owned. I have no complaints. The picture quality passed through from all of my playback devices to my LG 4K projector is stunning. There are so many other features to this receiver; however, those are best explained by an audio/video expert. There are many such reviews available online. But if you are a layperson like I am and you want to know whether this STR-AN1000 home theater is a good investment, my answer, based on a few weeks of viewing and my over a decade of experience with other home theater receivers, is that this is a very good investment. The quality and features you are getting are well worth the purchase price, and I am confident you will be watching a TV or projector hooked up to this home theater system for many years to come. I highly recommend it.
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Reviewed in the United States on March 6, 2024