Mercer 9-inch Split Eastern King Standard Box Spring Foundation
See options ›Lease-to-own termsi
*Lease-to-own is not a loan. Not all applicants are approved. Leasing costs more than the cash price. Koalafi: For qualifying customers only. Koalafi’s lease-to-own option is not a loan or line of credit. See agreements for details.$49/mo · 6 months no interestFinance with Synchrony · apply in minutes
Lease-to-own from $10 down — pay over 3, 6 or 12 months
Details
See options ›i
*Lease-to-own is not a loan. Not all applicants are approved. Leasing costs more than the cash price. Koalafi: For qualifying customers only. Koalafi’s lease-to-own option is not a loan or line of credit. See agreements for details.Price Match
- Seen the same item for less at a local store? Show us the price and we'll do our best to beat it.
- Same new item — exact brand, model, size and color — published online by an authorized store.
- Must be claimed at the time of sale; can't be applied to previous orders.
- Call 516-280-9565, email us, or ask at either showroom.
Financing options
- Synchrony HOME — 1 year no interest on $1,999+; 6 months no interest on $299–$1,998.99.
- Affirm — choose Affirm at checkout for monthly payments. Rates from 0–36% APR, subject to eligibility.
- Lease-to-own, no credit needed — Acima $10 down or Snap Finance $39 down. 100-day early purchase option + small processing fee.
Leasing costs more than the cash price if you go past the 100-day option. We recommend paying it off early.
Synchrony: with Synchrony HOME credit card, subject to credit approval; minimum monthly payments required; if not paid in full by the end of the promo, interest may be charged from the purchase date. Payments shown are price ÷ months, before tax and delivery. Lease-to-own is not a loan; subject to approval.
30-Day Returns
- Within 30 days of delivery: full refund to your original payment method.
- Return shipping ($2/lb) is deducted only in the cases listed under Fees and Deductions.
- Days 31–60: store credit, minus a 30% restocking fee and return shipping.
- No returns after 60 days.
Free Delivery & Assembly
- Free delivery & assembly on orders $499+ within 10 miles of our showrooms.
- White Glove delivery with assembly included.
- We call ahead to set your delivery appointment.
Warranty
- Covered by the manufacturer's published warranty.
- If none is published: a 3-month limited warranty.
- Questions? Call 516-280-9565.
Delivery options
- White Glove Delivery – delivery to the room of your choice, unpacking, assembly and packaging removal.
- Delivery hours – 9am–8pm, Mon–Sat. We call ahead to set your appointment.
- Pickup – available at our Hempstead & Valley Stream showrooms.
Only a few left — let's confirm it for you
We have very limited stock of this item, so please call us or text us on live chat before ordering. We'll confirm it's available and give you an exact delivery date.
Closed right now? Leave us a message in the live chat and we'll get back to you.
Mention the SKU so we can find it fast.
Details & Overview
Discover the foundational piece your bedroom with our mattress foundation, a testament to understated elegance and robust support. Handcrafted with precision, the slats are arranged to cradle your mattress, ensuring stability that lasts through years of restful slumbers. The unique combination of Kara-Guard padding, in place of ordinary cardboard, offers a silent guardian against noise, so your peace is never disturbed. Opt for this crafted standard foundation and transform your bed into a bastion of serene sleep.
Product Specifications
| Brand | Coaster |
|---|---|
| Collection | Mercer Collection |
| Product Type | Foundation |
| SKU | COS-350416KE |
| Color | Grey |
| Size | Eastern King |
| Dimensions | 74.00"w x 80.00"d x 9.00"h |
| Style | Transitional |
Shipping & Returns
White glove delivery
We deliver to your room, assemble, inspect and take the packaging away.
We call ahead · 9am–8pm, Mon–Sat · adult must sign
| Up to 10 miles, orders $499+ | FREE |
| 10–30 miles | $70.00 |
| 30–40 miles | $99.99 |
| 40–70 miles | $199.99 |
Returns & exchanges
- 30-day returns: full refund to your original payment method.
- Items must be new, unassembled, in original packaging.
- Final Sale, Special Order, sale and assembled items excluded.
- See full return policy
Damaged or missing items
Note damage on the delivery receipt with photos and tell us within 24 hours. Missing a part? Contact us and we’ll send it.
Warranty
This item is covered by a 1-Year Limited Warranty from Coaster against manufacturing defects. Contact us at 516-280-9565 for warranty service.
Questions? Call Hempstead 516-280-9565 · Valley Stream 516-285-2115 or Chat with us
Calling about this item?
Give our sales rep this SKU and they'll pull up the exact item, color and size right away.
What to say
“Hi, I'm calling about SKU COS-350416KE. Is it in stock, and when can it be delivered?”
Chat with us instead ›
Delivery & Assembly
Professional Assembly can be selected at checkout.
Live Chat
Have Questions we are here to Help!
