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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
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Description
Siena 8” Cal King Gel Memory Foam Mattress - Medium Firm - 180 Night Trial - Premium Pressure-Relieving Layers - 10 Year Manufacturer Warranty - CertiPUR-US® CertifiedAbout This 180 NIGHT HOME TRIAL & 10 YEAR MANUFACTURER WARRANTY Rest easy with a Siena mattress. You'll enjoy a 180 night home trial, and we stand by our product if theres any defect or flaw in your Siena in the first 10 years, we'll replace or repair it for free. FOUR LAYERS OF COMFORT Siena doesnt compromise on comfort. We might cost a lot less than our competitors, but your Siena mattress sure packs a punch when it comes to responsive comfort,
About This
- 180-NIGHT HOME TRIAL & 10 YEAR MANUFACTURER WARRANTY - Rest easy with a Siena mattress. You'll enjoy a 180-night home trial, and we stand by our product – if there’s any defect or flaw in your Siena in the first 10 years, we'll replace or repair it for free.
- FOUR LAYERS OF COMFORT - Siena doesn’t compromise on comfort. We might cost a lot less than our competitors, but your Siena mattress sure packs a punch when it comes to responsive comfort, supporting proper spinal alignment, and relieving pressure points. With lots of motion-reducing foam, you won’t be disturbed if your partner or pet moves.
- GEL MEMORY FOAM - A 1.5” layer of pressure relieving gel memory foam adapts to your unique body shape and size, while contouring to your curves.
- MEDIUM FIRM AND SUPPORTIVE - Finding the perfect firmness is a breeze with the Siena. It's medium-firm, striking the ideal balance between comfort and support for a restful night's sleep.
- SIMPLE TO SET UP - Just move the box to the room you want to use it in, unbox and unroll your mattress, and watch it expand before your eyes. Your Siena will be snooze-ready in 24 hours!
Overview
- Brand : Siena
- Size : California King
- Product Dimensions : 84"L x 72"W x 8"Th
- Top Style : Gel Top
- Number of Layers : 5
- Fill Material : Gel Memory Foam, Memory Foam
- Special Feature : Pressure-Relieving Gel Memory Foam, CertiPUR-US® Certified, Simple to Set Up, Medium Firm, Breathable Pressure-Relieving Gel Memory Foam, CertiPUR-US® Certified, Simple to Set Up, Medium Firm, Breathable
- Color : White
- Model Name : Siena
- Product Benefits : CertiPUR-US® Certified, Medium Firm & Supportive, Simple to Set Up, Pressure Relief, Medium Firm
- : Item Weight 54 Pounds Item Firmness Description Medium Firm
- : Item Weight 54 Pounds
- : Item Firmness Description Medium Firm
- : Age Range (Description) Adult Construction Type Memory Foam
- : Age Range (Description) Adult
- : Construction Type Memory Foam
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
Better than OEM, AC is so fresh now!
Style: CF10374 Classic, Style: CF10374 Classic
YEEEEEEAHHHHH!
This went straight from the mailman's hand to my 2010 Tacoma.
-Fits better than OEM and Replacements!
-AC smells so fresh now!
-Easy installation without any complications.
-Has a foam gasket around the filter that makes it fit like a glove, thight and secure!
-Very Well Made and quality materials.
Won't be returning this one, will actually buy it for the rest of my cars!
⭐️⭐️⭐️⭐️⭐️
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Reviewed in the United States on May 11, 2026
★★★★★ 5
**Perfect Fit for My 2008 Acura TL**
**Perfect Fit for My 2008 Acura TL**
I bought this cabin air filter as a replacement for my 2008 Acura TL, and it fit perfectly 👌. Installation was quick and easy—no issues at all. The build quality feels solid, and the activated carbon is a nice bonus for helping reduce odors and improve air quality inside the cabin.
For the price, it's a great value compared to dealership options. Highly recommend this if you're looking for a simple and reliable replacement!
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Reviewed in the United States on August 5, 2025
★★★★★ 5
Just what my vehicle's A/C, heat system needed ..
Good fit, and quality. Easy to change. You might be surprised how changing the cabin air filter can improve the airflow in your vehicles A/C, and heat system.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Perfect fit, Easy install, Better than taking it to a dealer.
This filter fits perfectly and easily. Unlike the dealer-installed filter (which I assume was an OEM filter but maybe not), it has arrows that indicate which side and orientation should be facing outward. The dealer-installed one does not have this and, as you can see from the photo, it was installed incorrectly. It should not be folded in on the sides. The old filter in the photo is after about 20K miles if that is a useful reference for you.
Also, if you watch any YouTube videos, you will see a reference to releasing a plunger as the first step in releasing the glovebox door. For my 2018 Honda Accord Touring, there was no plunger, and that was confusing to me. If you don't see one, just go to the next step -- squeezing in the top, back corners of the glove box to fold it down. After that, everything goes like in the videos.
Getting back to this filter -- it seems like it's better quality than the dealer-installed one. Shipping was fast. I would buy it again but, because this only takes a couple of minutes, next time I would do both the cabin and engine air filter at the same time so you might save a little money buying the combo set. Again, a very easy install and you don't risk having a dealer doing it incorrectly.
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Reviewed in the United States on September 13, 2025
★★★★★ 5
Perfect fit
This fit perfectly into my cabin air filter slot. Save me a lot of money, getting it off here as the mechanics went to charge so much more money just to slip this filter into your car. Anyone can do it so don’t hesitate to do your own cabin filter exchange and save yourself big bucks.
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Reviewed in the United States on January 1, 2026