Twin Commercial Sofa Sleeper System with Frame and Bed Deck. This Is a Commercial Sofa Sleeper System with a Twin 72 Inch by 44 Inch Bed Deck. Compatible with Sofa Sleeper Sofas, Love Seats, and Sectionals. One-Piece Tubular Legs Provide enhanced stability and strength, allowing the unit to be operated from the center or side position. Two-ply ballistic decking material enhances durability and visual appeal. Low-Profile Linkage Keeps all metal parts below the mattress line while being the easiest to operate in the industry. This is a Leggett and Platt Sofa Sleeper system frame and bed deck; Twin Commercial. Model 3544-07D. This system is compatible with bed deck models: 3544, 3548, 4435, 4835. Please locate the manufacturer's sticker on the frame to find the bed deck model number. See illustration 2 for how to locate the bed deck model number. Please verify the model number before ordering. If you are unsure of the model number please contact us for assistance. Please Note: This is a Bed Deck and Frame Only. It Does Not Include A Mattress. Contact Customer Service For Additional Information or Bulk Pricing.