Bulb 20 Watt Bulb (4-Pack) Replacement Scentsy Mid-Size Warmer A package of 4 authentic Scentsy bulbs each still in its original green and purple Scentsy box. GUARANTEED to be Authentic Scentsy bulbs in SCENTSY BOXES, NOT loose bulbs in bubble wrap. Warning: Use of generic bulbs may underheat or overheat your wax causing undesirable results. Fits the Mid-Size Scentsy Warmer.