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MasterCool Cellulose Evaporative Cooler Replacement Pad

22 Reviews
  • Convenient multi-piece design ensures perfect fit
  • Easy installation saves times
  • Durable construction extends life

$120.70

Keep your evaporative cooler operating at optimal levels with our MasterCool Universal Rigid Media Set. It is made with premium Munter’s CelDek media pad. The unique multi-piece design, ensures a perfect fit most major brands of evaporative coolers that use 12 in. thick Rigid Media.
  • Convenient multi-piece design ensures perfect fit
  • Easy installation saves times
  • Durable construction extends life
  • High efficiency – cools better for less
  • 4800 CFM capacity
  • Fits MasterCool models HC43 or 48; CHC431; CHC432; CHC441: CHC442
  • Fits MasterCool or UltraCool models ADA or ASA or AUA5012, ADA or ASA or AUA5112 and 5012 or 5112 complete or contractor series
  • Fits Aerocool TD or TH4812(V2)
Weight 14 lbs
Dimensions 24.5 × 23 × 23.25 in

Latest reviews

  1. SuperDad

    Seems to work just fine. Good replacement for the original pads. There’s a bunch of things in the box, so read the directions before you throw anything away. I fixed the smell problem super easy. I put the pads on a metal grated table, and ran the hose on them for about 5 minutes four separate times. That did a pretty good job of de-stinking them. Hardly noticed it after I installed them and ran the cooler. I do miss that fresh aspen pad smell.

  2. Dude

    It literally says in the instructions when you start using them that they smell when they first get wet and instruct you to allow the pump to run without the fan so it gets the smell out before you blow it into your house. Reading… helpful most of the time

  3. DB

    These things stink like urine. I’ve read online of others noticing the same thing. The smell makes you nauseous. They say it’s from the glue they use when they make them. Whatever it is it’s bad. There should be some sort of warning for this. If I had known they would smell like they do I wouldn’t have bought them. They do seem to work good and I’m really hoping the smell goes away eventually.

  4. Stoner

    There is an odor, but if you rinse them a few times at ground level and then let them dry overnight, it is not offensive. Once dry they weigh very little. These dropped the temp 4 degrees over the old mineral-filled old ones.

  5. San

    When water started pouring over it, the air smelled like an electrical fire. Scared the crap out of me. It seems the same as the heavy duty pad but I do not think it is going to last the 10 years the other two lasted. This is why I am only giving 4 stars but it is half price so there’s that.

  6. DA

    The smell is causing the household to collectively gag. My best guess is that the filter is emitting particles – I can feel them in my throat. If so, this is a real health hazard, and some industrial hygienist needs to determine if this meets EPA standards. Small particles cause lung cancer…

    Starting to get a headache, and need to evacuate the house…

  7. GVMIII

    I’ve run the pump for about 10 hours the last four days. Sttill smells like CAT urine when I turn on the fan. Is this toxic. Lowe’s needs to find out and recall this product. Something with paper coating or glue used to hold together.

  8. slingblade

    They smell like cat urine, not human urine. Just drain the water every day,and, the odor is gone in a few days. They work wonderfully, I am getting very close to 100% evaporation with these pads=96 F in and 61 F out.

  9. Bbbigdog

    Summer time is the best time once I installed the filters it worked great little expensive but it was worth it.

  10. UncleSam2Nieces

    Fits 20+ years old MasterCool CHC431. Delivery QUICK, arrived before I finish cleaning!

  11. Raphael

    There is a terrible smell that blows on the house when the ac is on.

  12. SuperDad

    Seems to work just fine. Good replacement for the original pads. There’s a bunch of things in the box, so read the directions before you throw anything away. I fixed the smell problem super easy. I put the pads on a metal grated table, and ran the hose on them for about 5 minutes four separate times. That did a pretty good job of de-stinking them. Hardly noticed it after I installed them and ran the cooler. I do miss that fresh aspen pad smell.

  13. Dude

    It literally says in the instructions when you start using them that they smell when they first get wet and instruct you to allow the pump to run without the fan so it gets the smell out before you blow it into your house. Reading… helpful most of the time

  14. DB

    These things stink like urine. I’ve read online of others noticing the same thing. The smell makes you nauseous. They say it’s from the glue they use when they make them. Whatever it is it’s bad. There should be some sort of warning for this. If I had known they would smell like they do I wouldn’t have bought them. They do seem to work good and I’m really hoping the smell goes away eventually.

  15. Stoner

    There is an odor, but if you rinse them a few times at ground level and then let them dry overnight, it is not offensive. Once dry they weigh very little. These dropped the temp 4 degrees over the old mineral-filled old ones.

  16. San

    When water started pouring over it, the air smelled like an electrical fire. Scared the crap out of me. It seems the same as the heavy duty pad but I do not think it is going to last the 10 years the other two lasted. This is why I am only giving 4 stars but it is half price so there’s that.

  17. DA

    The smell is causing the household to collectively gag. My best guess is that the filter is emitting particles – I can feel them in my throat. If so, this is a real health hazard, and some industrial hygienist needs to determine if this meets EPA standards. Small particles cause lung cancer…

    Starting to get a headache, and need to evacuate the house…

  18. GVMIII

    I’ve run the pump for about 10 hours the last four days. Sttill smells like CAT urine when I turn on the fan. Is this toxic. Lowe’s needs to find out and recall this product. Something with paper coating or glue used to hold together.

  19. slingblade

    They smell like cat urine, not human urine. Just drain the water every day,and, the odor is gone in a few days. They work wonderfully, I am getting very close to 100% evaporation with these pads=96 F in and 61 F out.

  20. Bbbigdog

    Summer time is the best time once I installed the filters it worked great little expensive but it was worth it.

  21. UncleSam2Nieces

    Fits 20+ years old MasterCool CHC431. Delivery QUICK, arrived before I finish cleaning!

  22. Raphael

    There is a terrible smell that blows on the house when the ac is on.

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