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We proudly offer free shipping on all orders across Canada. Every item in our store is delivered with no additional shipping cost.
When you place an order, estimated delivery times are provided based on product availability and your location. Shipping details will be shown at checkout so you know exactly when to expect your order.
Please note that delivery times may vary depending on your region and carrier availability. While all orders ship free, we work with trusted logistics partners to ensure reliable and timely delivery.
You may return most new, unopened items within 30 days of delivery for a full refund. If the return is due to our error (for example, you received an incorrect or defective item), we will cover the return shipping costs.
Refunds are typically processed within four weeks from the time you hand your package to the return carrier. This timeframe includes the return transit time to our facility (5 to 10 business days), return processing once received (3 to 5 business days), and the time required by your bank to complete the refund (5 to 10 business days). In many cases, refunds are issued sooner.
To initiate a return, simply log in to your account, view your order under the My Account section, and select the Return Item(s) option. You will receive a confirmation email once your return has been received and processed.
Designed for the HAPF600 family, this DerBlue kit combines six replacement filters with eight pre-filters to support sustained air purification. The main filters use a sturdy non-woven fabric, while the pre-filters feature activated carbon to help capture odors and larger particles before they reach the primary filter. This pairing is built to fit a wide range of compatible models, making maintenance simpler and procurement more convenient for households and small offices alike.
These replacements are designed to fit a variety of Holmes and GE models that use the HAPF600 family, including many commonly owned purifiers. Always check your unit’s model number and the compatible list in the product details to confirm fit before purchase.
Installation is straightforward: remove the old filters, insert the new ones with the proper orientation, and reassemble your purifier. For best results, replace the filters every 3–6 months depending on usage and environmental air quality. Keep replacements in a dry, cool place until you’re ready to install.
DerBlue provides durable, long-lasting replacements designed to support regular purifier maintenance. Each batch is tested for fit and performance to help you maintain steady filtration without surprises, while keeping your indoor air a bit crisper and more comfortable.
Q: What does this kit include?
A: Six HAPF600 replacement filters and eight pre-filters for Holmes/GE purifiers.
Q: How often should I replace the filters?
A: Replace every 3–6 months, depending on usage and air quality.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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