Save up to $50
Limited-time prices on selected diffusers, August 13–22.
BACK-TO-SCHOOL SALE
Scent Your Semester
Refresh your space with limited-time prices on selected waterless diffusers.
Free 100ml Scent Oil
On qualifying orders $160+
August 13–22, 2026
Featured back-to-school picks
Meet your new scent routine.
Compare three customer favorites and choose the setup that fits your space.
BEST VALUE
Everyday favorite
U2 Smart Waterless Aroma Diffuser
A simple waterless scent routine for bedrooms, offices, and daily use.
Ready to ship
$60.01 to free gift
MOST POPULAR
Whole-home pick
U5 Smart HVAC Scent Diffuser
High-capacity smart scenting for larger homes and HVAC setups.
Ready to ship
$20.01 to free gift
FROM $89.99
Smart radar pick
Rad-2 Art Diffuser
Presence-aware scenting with app control for modern living spaces.
Ready to ship
$70.01 to free gift
Prices, availability, and final savings are confirmed in your cart. Free-scent eligibility applies to qualifying orders of $160 or more.
Free gift on qualifying orders
Choose an eligible 100ml scent oil.
Spend $160 or more on qualifying products, excluding shipping charges, then choose one eligible 100ml scent oil for your order.
Start building your scent setup.
$160.00
Choose from eligible scents while supplies last. Your cart will confirm the final offer before checkout.
Gift-ready combinations
Complete your setup in one click.
Each set pairs a real diffuser with scents selected to take the guesswork out of reaching $160.
MOST POPULARU5 Discovery Set
Whole-home scenting plus four discovery-size oils in one easy setup.
- U5 Smart HVAC Scent Diffuser$139.99
- Energizing Fragrance Set: Herbal, Woody, and Citrus Diffuser Oils (4 x 10ml)$25.90
Set total
$165.89
Qualifies for the free 100ml scent oil
BEST VALUEU2 Lavender Routine Set
A compact waterless diffuser paired with a full-size 200ml Lavender scent oil.
- U2 Smart Waterless Aroma Diffuser$99.99
- Lavender$65.99
Set total
$165.98
Qualifies for the free 100ml scent oil
COMPLETE SETRad2 Complete Scent Set
Smart radar scenting with a 200ml 24K Celestia oil and a four-scent discovery set.
- Rad-2 Art Diffuser$89.99
- 24K CELESTIA$59.99
- Energizing Fragrance Set: Herbal, Woody, and Citrus Diffuser Oils (4 x 10ml)$25.90
Set total
$175.88
Qualifies for the free 100ml scent oil
Set totals update with your selected options. Your cart confirms final campaign pricing and free-scent eligibility.
More ways to scent your space
More waterless diffusers to explore.
Compare five additional options for larger rooms, whole-home systems, and flexible placement.
SMART HVAC
Whole-home alternative
U4 Waterless Whole-House HVAC Scent Diffuser
A streamlined whole-house option for consistent, waterless scenting.
Ready to ship
$60.01 to free gift
EASY PLACEMENT
Freestanding favorite
B-Air Smart Tower Scent Diffuser
A modern tower design that fits naturally into living rooms and offices.
Ready to ship
$60.01 to free gift
HIGH CAPACITY
Large-space pick
OY-5 Freestanding aroma diffuser
Freestanding scent coverage for larger open spaces and everyday routines.
Ready to ship
$20.01 to free gift
GIFT INCLUDED
Commercial-ready
OV-10 Smart Commercial & Integrated HVAC Scent System
An integrated HVAC scent system for demanding whole-home or business spaces.
Ready to ship
Qualifies for the free 100ml scent oil
GIFT INCLUDED
Maximum coverage
G-air Freestanding Scent diffuser
High-capacity freestanding diffusion for expansive homes and commercial areas.
Ready to ship
Qualifies for the free 100ml scent oil
Prices and availability are confirmed in your cart. Products that reach $160 on their own qualify for the free-scent offer.
Find your free scent
Which 100ml scent would you choose?
Explore a few customer favorites, then choose from eligible scents once your qualifying cart reaches $160.
Your favorite:
Choose a scent above
Checking your cart…
Scent availability may vary. Your qualifying gift choice is confirmed in the cart before checkout.
Why waterless works
A simpler scent routine for a busy season.
No water refills
Use compatible fragrance oils without maintaining a water tank.
Smart scheduling
Selected models support app-based timers and intensity settings.
Multiple space sizes
From compact daily-use products to larger HVAC-ready systems.
Gift-ready setup
Bundles combine a diffuser, scent supply and a threshold reward.
Find your fit
Find the right diffuser for your space.
Compare coverage, controls, and the easiest path to your free scent.
| Product | Best for | Room size | Price | Waterless | Smart control | Gift eligibility |
|---|---|---|---|---|---|---|
| U2 Smart Waterless Aroma Diffuser | Bedrooms and desks | Small spaces | Yes | App control | Qualifies at $160+ cart subtotal | |
| U5 Smart HVAC Scent Diffuser | Larger homes and HVAC | Up to 3,500 sq ft | Yes | Touchscreen + app | Only a small add-on away | |
| Rad-2 Art Diffuser | Smart, presence-aware scenting | Up to 2,000 sq ft | Yes | Radar + app control | Pair with scents to reach $160 |
U2 Smart Waterless Aroma Diffuser
- Best for
- Bedrooms and desks
- Room size
- Small spaces
- Waterless
- Yes
- Smart control
- App control
- Gift eligibility
- Qualifies at $160+ cart subtotal
U5 Smart HVAC Scent Diffuser
- Best for
- Larger homes and HVAC
- Room size
- Up to 3,500 sq ft
- Waterless
- Yes
- Smart control
- Touchscreen + app
- Gift eligibility
- Only a small add-on away
Rad-2 Art Diffuser
- Best for
- Smart, presence-aware scenting
- Room size
- Up to 2,000 sq ft
- Waterless
- Yes
- Smart control
- Radar + app control
- Gift eligibility
- Pair with scents to reach $160
Need help?
Frequently asked questions
Everything you need to know before you choose your setup.
Add qualifying products worth $160 or more before tax and shipping, then choose one eligible 100ml scent oil. Your cart will confirm the gift before checkout.
U2, U5, and Rad2 are our featured picks, with more waterless diffusers available below. Final sale prices are shown in your cart during the promotion.
You can choose one scent from the eligible 100ml selection, subject to availability.
Some offers may not be combined. Your cart and checkout will automatically show the best eligible pricing for your order.
The Back-to-School Sale runs from August 13 through August 22, 2026, while promotional inventory lasts.
Your order will no longer qualify for the free 100ml scent oil. Add another eligible item to bring your subtotal back to $160.
AUGUST 13–22
Build Your Signature Scent Experience.
Start with selected diffusers from $89.99, choose the right fit for your space, and receive a free eligible 100ml scent oil when your order reaches $160.
Free US Shipping
On qualifying orders $99.99+
45-Day Returns
Shop with confidence
Waterless Technology
No water tank needed
Secure Checkout
Protected payments