The wavelength most masks quietly leave off

Preview text: Four wavelengths. Four jobs. Most LED masks emit one wavelength. Some emit two. The Eterno…

Monday, Jul 13, 2026 at 11:02 AM EasternKlaviyo

EMR-TekThe wavelength most masks quietly leave off

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Subject: The wavelength most masks quietly leave off
Preview text: Four wavelengths. Four jobs. Most LED masks emit one wavelength. Some emit two. The Eterno…
From: info@emr-tek.com
Brand: EMR-Tek
ESP: Klaviyo
Sent: Mon Jul 13, 2026, 11:02 AM ET
Sent to: emr-tek.com
Size: 148 KB
Images: 6
Links: 17, 7 of them buttons
Subject length: 43 characters

Against EMR-Tek's usual

Sent in its busiest hour, 11 AM, which holds 25% of its emails. The subject is 43 characters; its average is 41.

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from o1324.shared.klaviyomail.com [167.89.72.0] by our receiving server with ESMTPS
by recvd-…-qdrqn with SMTP
from (unnamed) by geopod-ismtpd-66 with HTTP

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

	Jul 16, 2026 2:00 PM	$50 off! Our way of saying thanks · Resent
	Jul 15, 2026 2:01 PM	660nm. 850nm. That's what everyone sells. Almost none include 311nm narrowband UVB
	Jul 14, 2026 2:41 PM	3 WINNERS. 3 ETERNO MASKS
	Jul 13, 2026 11:02 AM	The wavelength most masks quietly leave off (this email)
	Jul 12, 2026 12:24 PM	After 10pm, your body's still reading "day" 35% off
	Jul 11, 2026 11:00 AM	Every panel. Every mask. Every lens 35% off the full lineup
	Jul 10, 2026 2:03 PM	We traded sunlight for LEDs