coupon code: "OFFERS10"
Free in store pick up. Shipping is ridiculous starting at $22.
I don't know what makes a pump 4D.
5-IN-1 Hide A Sofa w/ 4D Pump
#1 & #2 - Use Separately As Two (2) Twin mattresses
#3 - Two (2) Twin mattresses zipped together as one (1) King
#4 - Zip, Stack & Snap Together for a raised twin mattress
#5 - Flip Out Sofa!
ComfortSmart™ Coil System
Soft plus top for superior comfort
Uses the Double Lock™ Valve
Two-tone Grey Color
Fits standard size sheets
Quickly inflates or deflates Coleman® inflatable products
The quick change adapter fits the Coleman® Double Lock Valve™ as well as most other valves in use
Operates on four (4) D-cell batteries
Includes: Carry Bag