Serta(R) IComfort(R) Lo Profile 5.5in. Box Spring When ordering a queen split, King, or California King, you must order 2 of this item to receive a complete box spring. This item must be added to your shopping bag twice to insure delivery of both pieces. Box Spring only This item is deliverable only by Boscov's Home Delivery Service for online orders within a 25-40 miles radius of any Boscov's store (based on your zip code). For more information, go to Shipping. Free Delivery on all Mattress Set Purchases $699 and up after discounts. For bedding warranty information, go to Returns.