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Evaporative Cooler Grille Diffuser
Price: $23.00

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Evaporative Cooler Heat Plug

Now: $16.00 - $20.00


Heat Plug Sizes:

  • Warm air stays in your home
  • Keeps out drafts and noise
  • Tremendous heat savings
A quality heat plug 4 inches thick covered with heavy duty canvas.

Standard in stock sizes are:
14x14, 16x16, 18x18 and 20x20. Just measure the size of your cooler duct. If you need a special size e-mail for a quote. We can make any size your looking for.

It's quick and easy!
Remove Cooler Grille Diffuser, insert Heat Plug into duct then replace Grille Diffuser.

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