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When you talk about filters for furnace or air conditioner systems with forced air, you should never hear the term HEPA. That's because a true HEPA-rated filter relies on getting all the gunk out of your air in one pass. This makes the filter weave so dense, however, that on a forced air system, it would work twice as hard to maintain proper air flow. Instead, filters for these systems use MERV ratings, knowing that although the weave is more porous, over several passes, your filter is still going to remove over 95% of the pollutants that it's rated for. For a MERV 11 filter, that's irritants that are 1 to 3 microns or larger. That covers all your standard allergens (pollen, pet dander, mold spores, dust mites, etc.). Just make sure that you change your filter every three months for maximum efficiency.
When will my order ship?
Our warehouse ships Monday-Friday. If you place your order before 12pm EST, your order will ship out that same day. Orders placed after 12pm EST will ship the following weekday.
What is your return policy?
We want you to love what your ordered and we are confident that our products and service will help you live a healthier life. If something isn't right give us a call at 877.750.9239, 9am - 5pm (EST) Monday - Friday, or email us at email@example.com. If you are not 100% satisfied with your purchase, you can return it for a full refund (returns must be unused, in original packaging and within 30 days of your order date).
How can I track my order?
Thank you for your recent purchase with Think Crucial. When your order ships, you should receive an email with your tracking information. Please check your spam folder if you have not received it. Please feel free to contact us for further information regarding your order.
Most of our packages are shipped using DHL Global Mail. DHL Global Mail's tracking information usually start with 92 and include 26 numbers. Our international orders are also shipped using DHL Global Mail, tracking numbers starting with GM. DHL Global Mail packages are transferred to USPS for the final mile delivery. Click here to for up-to-date information regarding your package's location.
We also use USPS, UPS and Fedex to ship out our orders. Tracking information can be found on each companies respective website.
- USPS's tracking number usually starts with 94 and include 22 numbers.
- UPS tracking numbers usually start with 1Z and continue with 15 additional numbers.
- Fedex tracking numbers start with either 61 and include 20 numbers or 59 and include 15 numbers.