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Aprilaire 501 Replacement Filter

4.8 out of 5 stars 259 customer reviews
| 4 answered questions

List Price: $52.55
Price: $40.18 & FREE Shipping on orders over $49. Details
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1 Filter
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  • Fits Research Products Model No. 5000 (Part #501)
  • New aftermarket Aprilaire 501 filter!!
  • Original accordion type design.
  • Protects heating and cooling equipment.
19 new from $29.00
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$40.18 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com in easy-to-open packaging. Gift-wrap available.

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Size: 1 Filter

Product Description

Size: 1 Filter

Product Description

This is the high efficiency filtering media, which is the heart of your air cleaner. It is recommended that the filter be replaced annually.

From the Manufacturer

The Aprilaire 501 is a MERV 10 air purifier replacement filter for the Aprilaire air cleaner 5000. The collapsible pleated fabric filter media is easily installed to keep your HVAC equipment running at top efficiency. Trade-marked Aprilaire Self-Seal technology ensures the best performance by reducing air bypass. Ultimately, this filter helps trap and reduce allergens that can cause persons afflicted with asthma and other respiratory problems anguish along with bacteria, dust, spores, pollen, pet dander, and more.

Product Information

Size:1 Filter

Technical Details

Part Number 501
Item Weight 1.8 pounds
Product Dimensions 16 x 26.5 x 6.2 inches
Item model number 501
Size 1 Filter
Color Grey
Item Package Quantity 1
Certification certified frustration-free
Batteries Included? No
Batteries Required? No

Additional Information

ASIN B0039PF0ZI
Customer Reviews
4.8 out of 5 stars 259 customer reviews

4.8 out of 5 stars
Best Sellers Rank #2,414 in Home Improvements (See top 100)
#72 in Home & Kitchen > Heating, Cooling & Air Quality > Air Purifiers > Parts & Accessories
Shipping Weight 5 pounds (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available August 23, 2006

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By Gerald E. Collins on November 9, 2010
Size: 1 Filter Verified Purchase
Replacement of Aprilaire 501 Spacegard 5000 Air Cleaner Filter Media

The Air Cleaner Replacement Element I ordered from Amazon was original equipment and I was able to install it myself in less than 30 minuites. I had to order two elements because of boxing and transportion problems but no big deal as I now have one media in reserve.

I admit I had done it before and had some trouble because I tried to install it without reading the instructions are on the box. They must be followed very very carefully. You must have very good lighting because the instructions on box are dim and the instructions on black plastic of Air Cleaner itself are difficult to see. Two things to watch out for: Step 4 removing pleat spacers. They snap into holes and do not twist as instructions say. Merely apply pressure upward and pull them out of snap-in holes. Second problem area is Step 8 where you have to unsnap the edges which hold the element. Aprilaire has a special Figure 4 drawing for this and you should look at it very carefully because it is critical. If you follow the instructions carefully you will have no problem installing the media. DO NOT ATTEMPT TO INSTALL WITHOUT READING THE INSTRUCTIONS. The company that would normally install the element in my home charges $50 just to come to home plus $75 per hour for installation charge and full retail price for the replacement element. It is definately a lot cheaper and easier ordering the element from Amazon and doing the job yourself. It was also nice to have the media delivered to my doorstep rather than drive to the distributer in rush hour traffic and pay full retail price.

If you do the same remember to "read the instructions carefully" before attempting the replacement. If you try to replace the element without reading the instructions you will have trouble -- I guarantee it.
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Size: 1 Filter Verified Purchase
I've been buying the 501 filter for years and have noticed a very consistent defect in the product - the area along the pleat will often times have a slit varying in degree of length. It is often difficult to see this so I would encourage you to spread apart the length of each fold/pleat and look for daylight on the other side (see customer pic)....you'll be surprised by what you see. There are 2 sides to the filter the front side of the pleat where the air enters which is a completely white material, and the backside of the pleat which has a black strip along each pleat - inspect both sides of the filter pleats.

On the conservative side I'll say that 8 out of 10 filters I've purchased from various sellers have been defective to some degree, some worse than others. This makes me wonder how closely the HVAC techs who install these products are inspecting the filters or if it's even considered...

Please keep in mind this is not a petty issue/review - any opening in your furnace filter completely defeats the purpose of this filtration system, causes dust to collect in your hvac unit and ultimately spreads dirty/unfiltered air throughout your home... I've resorted to spending double the money to buy locally and inspect them in store to avoid the hassle of returns....the last 2 I purchased from this company were defective - the company was very compliant in issuing two replacements, paying for return shipping etc...for that I give them credit and would recommend them as a seller. The Aprilaire 5000 came highly recommended however in this case the unit is only as good as its filter. Happy 2012!:)
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Size: 2 Pack Verified Purchase
We live where winters are very cold and the inside of our house can get pretty stuffy and illnesses can abound. With this filter, we have had noticeably fewer colds, flu and other normal winter illnesses. My husband and I were not disappointed with their claim that the filter, "Traps 99% of airborne pollen, mold and spore-sized particles."

When we had our new home built in 2012, we had the Aprilaire Model 5000 Air Purifier Installed. The filter works for the furnace, A/C, and air purifiers. It has been 4 years now and we are very pleased with the results. The filters are semi simple to install. Originally we had the furnace man come and change it out about every 6 months, (we live in a very dusty area), then my husband watched a Youtube video on how to install the filter ourselves....no need to call the furnace man any longer. It does require some time, but no difficult maneuvers! My husband says to just make sure that each tooth of the ‘comb’ goes between the folds of the filter. Although the installation instructions are on the box, I recommend finding a video that gives a more detailed, step-by-step tutorial.

I prefer to buy the 2 pack because we always have an extra one on hand for when the old one needs replacing. No need to wait for delivery.
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Size: 1 Filter Verified Purchase
You could throw money away by hiring someone to change your filter or you could do it yourself by getting this filter. I did it in ten minutes after I watched a YouTube video on how to do it. The YouTube video made all the difference in the world. Initially, I was a little overwhelmed when I opened the box and read the directions. No pictures! After watching the video and seeing how easy it was to do, I can easily recommend purchasing this filter.

Link to a helpful video:
[...]
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