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Achieving healthy indoor air quality is a continual job of protecting against new intruders. The good news is that modern filtration has come a long ways from the old, inefficient inch-thick filters that, leaked, gathered dust that restricted your HVAC airflow and had to be replaced regularly. Today's micro-filtration options catch contaminants from the size of hair down to microorganisms.
We've Got a Lot of MERV - What the Term Means
The acronym MERV stands for "Minimum Efficiency Reporting Value". The MERV rating is the standard method for comparing the efficiency of an air filter. The higher the MERV rating, the better the filter is at removing particles from the air.
The MERV scale ranges from 1 (least efficient) to 16 (most efficient), and measures a filter's ability remove particles from 3 to 10 microns in size. Filters with higher ratings not only remove more particles from the air, they also remove smaller particles. A typical fiberglass furnace filter might be rated from 1 to 4 on the MERV scale.
Fresh Air concepts researched myriad filter options and came up with two of the best permanent micro-filters in the industry. The two filter options we provide balance high MERV ratings with affordability; we think they are optimal choices. (Both filters work well with the Air Gorilla air purification system.)
 Sometimes an idea comes along that's so simply brilliant that you wonder why it hadn't been thought of before. The Practical Pleat filter solves the problem of replacing your old inefficient one inch filters with an exponentially more effective filter - all without having to alter or retrofit your duct system.
Better Protection Without Upgrade Costs
True to its name, the Practical Pleat fits into your one inch grill slot, then unfolds into a five inch filter, achieving a surface area 433% greater than a typical one inch filter. That translates to a 30X efficiency increase, meaning the Practical Pleat can capture up to 30 times more small contaminants. At the same time, the Practical Pleat reduces resistance to airflow by 41%, increasing air circulation and the efficiency of your HVAC system, while it decreases energy costs and maintenance.
The Practical Pleat Seals the Deal
One inch air filters are actually worse than their low MERV ratings suggest, because they allow airflow to leak around their unsealed edges. Filters that are not self-sealing allow contaminants to be pulled around the filter and into the ventilation system. As these particles accumulate, they provide nutrients necessary for mold and other biological contaminants to breed and grow in the ventilation system. These contaminants can then be blown into inhabited rooms, exposing occupants to unfiltered pollutants. The Practical Pleat's self-sealing gasket solves this problem,
eliminating filter bypass and protecting you against harmful intruders. This highly efficient filter truly earns its high 11 MERV rating.
Longer Lifetime Means Less Replacement Cost for You
The standard one-inch filter needs to be replaced every 30 to 60 days, during periods of use. The Practical Pleat's extended surface area provides for an effective lifetime of up to one year. However, we recommend changing every 6 months due to high dust volume in Arizona.
Boasting a high MERV rating of 10, the A+2000 is built to be efficient for a lifetime - you never replace it. And it comes with a warranty for the lifetime of the original owner. A+2000 Permanent Air Filters are designed to provide an optimum balance between adequate air flow and filtration, so it helps protect the life and extend the efficiency of your HVAC equipment - which means lower energy costs for you.
  The A+2000 is:
- Easy to install - it installs like any disposable filter
- Easy to clean-simply backwash every month with cold water
- Available in all sizes!
- Factory made to fit-no hassles or problems cutting and sizing adjustable filters
The Secret of the A+2000 Performance
The secret behind the A+2000's performance is its patented stage loading/peak and valley design. Instead of capturing particles on the outer surface of the filter, as most filters do, the A+2000 uses stage loading, with each stage capturing progressively smaller particles inside the filter. This design enables the A+2000 to maintain its high performance over the years.
Many air filters rely on some type of foam or porous pad as their primary filtering media. Even though they may show specifications that seem impressive, foams may become infused or impregnated with particles and become hard to clean, as well as deteriorate over the years. This
could lead to restricted air flow and potentially harmful additional stress on your unit. But the A+2000 is made of space-age synthetic materials and NO FOAM, allowing it to be effectively cleaned and reused indefinitely. Its stage loading configuration allows it to be easily cleaned with cold water. Because it can be cleaned effectively and will not corrode, degrade or deteriorate, it is truly your Filter for Life!
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