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Free U.S. Shipping

Free U.S. shipping on every order. Ships the same business day when ordered by 2pm ET. Arrives in 2–5 business days. Details here.

Fit Guarantee

Fit guaranteed. If it doesn't fit the model we list, we'll send you a prepaid return label within 30 days of delivery. Details here.

Easy 30-Day Returns

Changed your mind? Return it unused, in its original packaging, within 30 days of delivery. Return shipping is free. Cleaners are returnable unopened only.

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Not sure which part fits your appliance? Email support@thinkcrucial.com with your model number and we'll reply within one business day.

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Aftermarket · Made by Think Crucial · Not made by Shark

Replacement filter for the Shark Air Purifier 6.

Particle filter with activated carbon for the HE601 and HE602, part HE6FKPET. One filter for $36.99.

SharkNinja sells its HE6FKPET filter at $99.99. Ours: $36.99, $63.00 less.

4.4from 17 ratings on Amazon(as of Oct 1, 2026)

Think Crucial filter for the Shark Air Purifier 6 · HE6FKPET
Your order · Air Purifier 6 · HE6FKPETIn stock
1 filterSingle. Shark: $99.99$36.99$63.00 less

Free U.S. shipping · Ships same business day by 2pm ET

Fits, or we pay the return.If it doesn't fit the model we list, email us within 30 days of delivery. We send a prepaid return label and refund you in full. Opened to test the fit is fine.Changed your mind? Return it unused, in its original packaging, within 30 days of delivery. The label is free for these too. Refund policy

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Full product details
The mathsharkninja.com · October 6, 2026
  • SharkNinja HE6FKPET at $99.99$99.99
  • Think Crucial HE6FKPET-compatible filter$36.99
You pay less by$63.00

Shark list price on sharkninja.com (SharkNinja's own store) on October 6, 2026, before any sale, coupon or subscription discount.

  • Shipping

    Free U.S. shipping on every order

  • Dispatch

    Ships the same business day when ordered by 2pm ET

  • Fit

    Fit guaranteed on the models listed

  • Returns

    30-day returns with a prepaid label

01How it comparesPrices dated

Think Crucial vs. buying from Shark.

The same count, side by side. Shark's price is its list price on sharkninja.com on October 6, 2026.

Air Purifier 6 · HE6FKPETThink CrucialShark, same count
1 filter$36.99$63.00 less$99.99
SubscriptionNone. Buy when you need filtersShark's own terms
If it doesn't fitPrepaid return label, full refund, 30 daysShark's own terms
Made byThink Crucial (aftermarket)Shark

Shark price: SharkNinja HE6FKPET at $99.99, $99.99, on sharkninja.com (SharkNinja's own store) on October 6, 2026, before any sale, coupon or subscription discount.

02Spec sheetFrom the listing

What's in the box.

Exactly what ships, so you can match it against what's in your machine now.

In the box1 filter
  • 1 ×
    particle filter with activated carbon layer
Fits
Shark Air Purifier 6 HE601 and HE602 (part HE6FKPET, HE6FKBAS, HE6FKPRO)
Replaces part no.
HE6FKPET (Shark)
Price
1 filter: $36.99
Subscription
None. Buy when you need it
Made by
Think Crucial (aftermarket, not affiliated with Shark)
Ships
Free, from a U.S. warehouse. Same business day when ordered by 2pm ET; arrives in 2–5 business days
03From Amazon4.4 / 5 · 17 ratings

What owners say.

Reviews of this filter on Amazon.com, quoted word for word. Rated 4.4 out of 5 from 17 ratings as of October 1, 2026.

★★★★☆
“Decent filter for the price I would buy it again.”
Verified purchase · Amazon.com · Jul 21, 2026
★★★★★
“Perfect replacement filter for my shark air purifier. It fits like a dream …”
Amazon Vine review · Amazon.com · May 19, 2024
★★★★★
“This filter fits perfectly into my Shark air purifier. Ran the filter for a few days now and works as intended. …”
Amazon Vine review · Amazon.com · Apr 11, 2024

Amazon Vine reviewers get the product free from Amazon in exchange for an honest review.

04CompatibilityAir Purifier 6 · HE6FKPET

Check your model.

Listed for the Shark Air Purifier 6 HE601 and HE602 (part HE6FKPET, HE6FKBAS, HE6FKPRO). Two minutes now saves a return later.

  • HE601
  • HE602
  • Part HE6FKPET
  • HE6FKBAS
  • HE6FKPRO
  1. 01
    Find the model number

    The model number (HE601 or HE602) is on the label on the back or bottom of the purifier.

  2. 02
    Match the part

    Shark sells the filter for these models as HE6FKPET. This replaces it.

  3. 03
    Still not sure?

    Email your model number to support@thinkcrucial.com and we'll tell you whether it fits. We reply within one business day.

05QuestionsBefore you order

Before you order.

Straight answers. Anything else, email support@thinkcrucial.com.

Q.01Is this made by Shark?
No. It's a compatible replacement made by Think Crucial. It isn't made, sold or endorsed by Shark, and Think Crucial isn't affiliated with Shark.
Q.02How do I reset the filter indicator?
Press and hold the Filter Life button on the top control panel for about 3 seconds until it beeps.
Q.03Does it fit the Air Purifier 4 or MAX?
No. It's for the HE601 and HE602 only. We sell a separate Air Purifier 4 filter.
Q.04What if it doesn't fit?
Fit guaranteed: if it doesn't fit the model we list, email support@thinkcrucial.com within 30 days of delivery with your order number and model number. We send a prepaid return label and refund you in full, even if you opened it to test the fit. Changed your mind? Return it unused, in its original packaging, within 30 days of delivery.
Q.05Is there a subscription?
No. You buy when you need it. Nothing renews and nothing auto-ships.
Q.06When will it arrive?
Free U.S. shipping on every order, from a U.S. warehouse. Ships the same business day when ordered by 2pm ET. Arrives in 2–5 business days.
06Who makes this

We make what we sell.

Think Crucial started in 2007 at a family vacuum repair shop. Today we're a U.S. company in Hollywood, Florida, making aftermarket filters, bags and parts built to fit the machines you already own. Most people can fit the part themselves. They just need the right one, and a way to check it first.

Questions before you order? Email support@thinkcrucial.com. We reply within one business day.

Ready to order

Replacement filter for the Shark Air Purifier 6

Part HE6FKPET
$36.99Free U.S. shipping

Fit guaranteed: prepaid return label if it doesn't fit the model we list. 30-day returns.

Not made by Shark. This is a compatible replacement made by Think Crucial, not an original equipment manufacturer (OEM) part. Shark and SharkNinja are trademarks of their respective owners, used here only to describe compatibility. Think Crucial is not affiliated with or endorsed by Shark. Shark prices from sharkninja.com on October 6, 2026, before any sale, coupon or subscription discount.

© 2026 Crucial Brands Inc., DBA Think Crucial. Hollywood, Florida.