Six item lot on new items in box.1) cob Chip On Board led light. 2) national geographic (same as Eheim) internal filter with bio filter material 3) undegravel filter for 21 long or 29 gallon or 37 gallon aquarium with 30 inch by 12 inch footprint 4) air line splitter 5) Whisper 150 air pump 6) remote for outlet