🔥 Turning the heat on? Check your filter first.

Preview text: Take $15 off + enjoy free shipping. Stock up today.

Sunday, Nov 1, 2026 at 9:18 AM EasternKlaviyo

Filters Fast🔥 Turning the heat on? Check your filter first.

Fit to screenFull size

Using this email in an article? Credit: Filters Fast email via They Sent It, with a link to this page. Full-size image

Use this example

Against Filters Fast's usual

Sent in the 9 AM hour, which holds 11% of its emails; 33% arrive in the 8 AM hour. The subject is 48 characters; its average is 37.

Email headers

What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.

Other sending headers (names only): X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID

	Nov 4, 2026 2:26 AM	MERV 8, 11 or 13? Here’s the difference. 🌬️
	Nov 3, 2026 2:22 AM	Don't let this $15 go down the drain
	Nov 2, 2026 2:48 AM	End-of-season savings $15 off + free shipping
	Nov 1, 2026 9:18 AM	🔥 Turning the heat on? Check your filter first. (this email)
	Nov 1, 2026 2:37 AM	Change the clocks. Change your filters. ⏰
	Oct 31, 2026 3:32 AM	Ends tonight: 20% off for a Happy Halloween 🎃
	Oct 30, 2026 3:03 AM	Tomorrow is your last day for 20% off