Standard Model 1-Section 26″ Pass-Thru Warmer DL1W-PT: Stainless steel front, aluminum end panels and interior. DL1W-PT-SA: Stainless steel exterior, aluminum interior. DL1W-PT-SS: Stainless steel exterior and interior. Spec Sheet Standard Model 1-Section 26″ Pass-Thru Warmer with Half Doors DL1W-PT-HD: Stainless steel front, aluminum end panels and interior. DL1W-PT-SA-HD: Stainless steel exterior, aluminum interior. DL1W-PT-SS-HD: Stainless steel exterior and interior. Spec Sheet Standard Model 2-Section 52″ Pass-Thru Warmer DL2W-PT: Stainless steel front, aluminum end panels and interior. DL2W-PT-SA: Stainless steel exterior, aluminum interior. DL2W-PT-SS: Stainless steel exterior and interior. Spec Sheet Standard Model 2-Section 52″ Pass-Thru Warmer with Half Doors DL2W-PT-HD: Stainless steel front, aluminum end panels and interior. DL2W-PT-SA-HD: Stainless steel exterior, aluminum interior. DL2W-PT-SS-HD: Stainless steel exterior and interior. Spec Sheet Standard Model 3-Section 78″ Pass-Thru Warmer DL3W-PT: Stainless steel front, aluminum end panels and interior. DL3W-PT-SA: Stainless steel exterior, aluminum interior. DL3W-PT-SS: Stainless steel exterior and interior. Spec Sheet Standard Model 3-Section 78″ Pass-Thru Warmer with Half Doors DL3W-PT-HD: Stainless steel front, aluminum end panels and interior. DL3W-PT-SA-HD: Stainless steel exterior, aluminum interior. DL3W-PT-SS-HD: Stainless steel exterior and interior. Spec Sheet