Button Gastrostomy Feeding Tube HCPCS B4034 (Disclaimer) Sterility NonSterile Tube Length 10 Inch Tube Size 28 Fr. UNSPSC Code 42231500 This gastrostomy replacement device is non-obtrusive and the low-profile design is comfortable, while leaving a skin-level device equipped with an anti-reflux valve to help ensure better and safer feeding. Its low-profile external bolster secures the device, while is cosmetically appealing for ambulatory patients Low profile design is convenient, non-obtrusive and comfortable.