Here is a review left by a customer on a product. Would you say he was satisfied or dissatisfied?
Title: Whisper Air Pump
Review: I purchased this pump for my 29 gallon aquarium. It quit working well short of the first year. Much to the manufacturers credit they said they would replace the unit. The Tech explained that this pump was too large for my tank and failed probably due to excessive back pressure? He indicated he would send me two of the 40 gallon size models! Problem was that they sent one 40 gal. and one 20 gal. size. What gives!!!! Maybe he did the math and 40 + 20 = 60 !!!!!!!
