Questions & Answers
QUESTIONS AND ANSWERS
HOW DO I MEASURE A FILTER?
WHAT IS THE MEANING OF MERV RATINGS?
HOW DO I CANCEL MY ORDER?
Method 2: Actually measure your existing air filter, but be sure that your existing
filter fits well.
Method 3: Measure the opening provided for the air filter in your furnace, ceiling
filter grill, or wall filter grill and deduct 1/4 inch from both sides. For example, if
the opening provided for the filter in your furnace measures 18 X 20, then you
would order 17 3/4 X 19 3/4.
Method 4: Look up the model number of the filter housing, or the part number of
1. Log into your account.
2. Click: Change quantities / cancel orders
3. Click: View or Change order
4. Click: Need to change quantities or edit an Item
5. Change Quantity to, Zero
6. Click: Save Changes
What is The Meaning of MERV Ratings?
Simply stated, The purpose of MERV ratings is so that you can
compare the efficiency of air filters. The higher the MERV rating,
the better the filter is in capturing pollutants and contaminants.
For instance, a MERV 11 is more efficient than a MERV 8.