Dyson Purifier Big+Quiet Formaldehyde BP04 (Prussian Blue/Gold)

Price Match Promise

Be confident that you’re getting the best price on Dyson.com. If within 30 days of purchase you should find the same model currently advertised at a lower price by an authorized US Dyson retailer or by Dyson on a third party marketplace site, we'll refund you the difference if the below details are satisfied. Visit dyson.com/pricematch, the chatbox on Dyson.com, or contact our Customer Service team at 1-866-693-9766 to get started. Here are the details you need to know:

• Machine must be the exact same model number as it appears on Dyson.com and in stock. You can identify the machine serial number on the box or on the product itself. To locate the serial number on your product, please visit dyson.com/serial-number-help for location details by specific machine.
• Proof of advertised price by an authorized dealer is required (Valid copy of flyer or website URL required. Advertised price must be the listed price; membership/loyalty, promo code entries or like discounts are not eligible for price matching).
• Authorized new product dealers are limited to Amazon.com 1st Party, Home Shopping Network (HSN), Best Buy, Costco, Home Depot, Lowes, QVC, Sam's Club, and Target. Authorized refurbished machine dealers are limited to Nordstrom Rack, Woot and Zulily. Excludes third party marketplace sellers other than Dyson.
• Machine must be new and in original packaging. It cannot be used, damaged, returned, open box, "close out", "clearance" or a demonstrator machine.
• Machine price must not be lower due to an advertising error or misprint. 
• Hair care machine and accessories, which include, but are not limited to, the Dyson Supersonic™, Dyson Airwrap™, Dyson Corrale™, and Dyson Airstrait™ are not eligible for price matching.
• Lower price will not be honored if the result of a violation of a Dyson unilateral advertising or pricing policy or if doing so would result in a violation of a Dyson policy.

Dyson reserves the right to rescind this offer at any time and/or modify these terms and conditions as needed.

Free shipping is applied to all orders (Arrives in 2-7 business days).

Orders containing a tool, spare part, accessory, or gift with purchase may ship separately (Arrives in 5-7 business days).

More information on shipping

Dyson parts and labor warranty

Dyson cordless vacuums, purifiers, humidifiers, heaters, fans, wearables and hair dryers & stylers are covered by our 2-years parts and labor warranty. Dyson upright and canister vacuums are covered by our 5-years parts and labor warranty. But we'll still be here when yours runs out; we provide Dyson technology owners with a lifetime of support.

For any questions or concerns, please contact us here. Phone, email, live chat, Youtube, Facebook, Instagram, TikTok; our experts are on hand. And for out-of-hours assistance, you can find quick answers on our help pages.

And when you buy from dyson.com, we register your warranty automatically - you won't have to fill in any more forms.

Refurbished machines are covered by the Dyson warranty - either for 6 months or one year. Please check the machine page for more information on the length of warranty.

Money-back Guarantee​

If you’d like to return a Dyson machine* for a full refund, you need to return the machine, accessories, and attachments within 30 days from the delivery date. For purchases made at a Dyson Demo Store or Dyson Service Center, a return must be made within 30 days from the purchase date. Dyson Direct will pay for return shipping.​

*This policy excludes wearable devices such as Dyson Zone. Dyson Zone has a 14 day refund policy from the shipped delivery date. If purchased in a Dyson Demo Store or Service Center location, a return must be made within 14 days from the purchase date. Dyson Direct will pay for return shipping.​

Customer Service Helpline​

If you have questions please contact us. You can email or call:​

• questions@dyson.com - Our Digital Support team is available 24 hours a day, 7 days a week. Most inquiries are handled within two hours or less​

• 1-866-MY-DYSON (1-866-693-9766) - Our Helpline is available from Monday-Saturday (closed Sunday). 

Dyson Direct Returns Policy​

If you wish to return any product purchased from Dyson Direct, please contact our toll-free Contact Center at 1-866-MY-DYSON (1-866-693-9766) or visit dyson.com/returns prior to returning your merchandise.​

To receive a full refund for an item purchased from Dyson, please follow these three steps:​
​

• Call the Contact Center to initiate your return and to identify the correct return shipping address and method.​

• Package the item(s) to be returned in the original Dyson packaging.​

• Send your returned item(s) shipping prepaid to Dyson within 30 days of purchase for a full refund. Unauthorized or COD returns will not be accepted.*​

*This policy excludes wearable devices such as Dyson Zone. Dyson Zone has a 14 day refund policy from the shipped delivery date. Send your returned Dyson Zone shipping prepaid to Dyson within 14 days of purchase for a full refund. Unauthorized or COD returns will not be accepted.​

Please allow 4-8 weeks for return processing. Products returned to Dyson will receive a full refund and Dyson will pay for the return shipping.

Refurbished machines are considered final sale and are not eligible for returns, only warranty service.