Air Filter for Prius 2010 to 2015 - avoid expensive time consuming cleanings and prevent premature battery failure due to overheating. Availability: Usually ships the same business day The 2010 to 2015 Prius did not come with a filter for the hybrid battery cooling air. 25% of the dirt starts accumulating in the cooling passages between the battery modules that are farthest from the fan. So it does not take much dirt to clog a cooling passage and put your battery at RISK! (See pictures above.) Prevent the expense of having to have your large battery cooling system cleaned! Prevent premature battery failure due to overheating If you are constantly carrying someone, pets, or cloths etc. in the back seat (Lyft Uber drivers) this is very important! Installs just inside the grill so it can be vacuumed yet can not be removed by passengers. Unlike other products this filter has seven layers to make it almost impossible for hair to get into your battery. Also only the finest dirt can get in which causes no problem. All while hardly restricting air flow. Easy one bolt install. Just need a 12mm socket, extension arm and ratchet! Installs in minutes. Clean with a vacuum cleaner or wash Once installed you have to look at it occasionally and if dirty vacuum. (We provide reminder stickers.) Buy this filter and install it! Price includes a write up on how to significantly reduce engine oil consumption and thereby keep the oil cleaner for longer engine life and prevent catalytic converter failure. Keep your Prius running in great shape, for a long time! This next picture shows the dirt that can accumulate in the hybrid battery cooling fan. We have seen worse! And the Prius often does not start turning on warning lights till the fan and battery are very dirty! Look at the picture of the intake. Notice it is just a few inches from the seat bench. So any dust, hair or dirt that was siting on the bench can easily get sucked in when some one sits down etc. Also there is no filter and you can see right into the duct. This is the way the car was made. In the next pictures notice the air from the fan goes straight into the bottom of the battery. No bends, so over half the dirt gets blown into the battery. The intake grill has our filter installed for the picture. About half the dirt you see in the fan is also in the battery cooling passages. So if you battery cooling fan is at all dirty you also want to clean the battery. A can of compressed air and a brush for cleaning refrigerator coils works great. This is the dirt on the side of the last module. This is dirt in the air passage where the battery modules are actually cooled. This is the bottom of the battery case after the battery modules have been removed. The lines of dirt were sitting at the bottom of the battery modules where the air flows into the battery preventing proper cooling. NOT GOOD! This means that if you Hybrid-battery-cooling fan is dirty your battery is also. But the fan is easy to check! You can prevent all this with an inexpensive filter that is easy to clean! You get a 1/2 inch deep filter with 1/10 inch holes so the air goes through a seven layer matrix. Only very fine dirt gets through and the holes are big enough (1/10 of an inch) so there is little air resistance. We started selling this product in Jan 2019 and had been hand cutting filters from the same material for 1.5 years for our customers. The filter is held in place with Velcro we include. The Velcro's adhesive is rated to withstand -40 F to 190 F. You will only have to clean the filter in the future but that is easy. Often you can just vacuum the filter in place and look to make sure it is clean. You can also take the filter out and clean it with water. Access is just one bolt. We provide you with a sticker to remind you to check it to see if it is dirty. The filter can easily be seen as it is just behind the intake between the rear passenger door and the back seat. When the filter turns to dirty gray try vacuuming it and if that does not work take it out and wash it. The filter can be washed with plain water (garden hose). I have been using this filter material in my own 2007 Prius for years. I cleaned the fan and found only a thin layer of very fine dust on the fan and nothing on the batteries. But the filter did get dirty. You will have to clean it! Our filter itself is very porous with large holes to allow plenty of air to flow. We have been hand cutting them and putting them in the Prius for about 1.5 years now with no problems. Our filter captures all the hair and but the finest dirt so your fan and battery should not clog up. This is very important if you regularly carry people (yes we have seen human hair in the battery and hair from clothing) or pets in the back seat. It is easy to install. You push down on the back seat and undo one bolt to get take out the plastic grill it fits behind. Why take a chance and have your hybrid battery failing prematurely! Comments: Sageman 5.0 out of 5 stars Great idea Reviewed in the United States on August 7, 2024 "This is a good and simple way to solve an important problem with gen 2 cars. Very affordable and easy to install." "The installation went fine, thank you. I appreciate your ideas and efforts to help with Prius ownership! ( I bought a battery installation kit from you many years ago too. ) Thanks again and best wishes for a great 2019 and beyond," October 2019: I have vacuumed the filter while in place a few times with a shop vac. We have a German Shepherd (aka a German Shedder) dog that often rides in the back seat and this filter has stopped a lot of his hair from entering the protected area. E. R., Yelm, WA Comments from buyers: Not bad, easy clean Great item, easy to install and gives great peace of mind with a dog in the car Great seller, very helpful. item as described. greater Great item fast service Super Fast Shipping A1 Seller Will Buy Again. Goods as described, well priced, and fast to ship. Thanks Works great! Thank you Smooth transaction and fast shipping. Would recommend. Thanks