D'Addario GHP-RS Humidifier Replacement Sponges

This 2-pack of specialized humidifier sponges hold up to 12 times their weight in water and are the perfect replacement for your acoustic guitar humidifier.

D'Addario is known for innovative, problem-solving, quality musical products with a complete line of award-winning accessories including cables, picks, tuners, capos, straps, humidifiers, maintenance tools and more.


- Specialized sponge holds 12x its weight in water
- Longer time between refills
- 2-pack

Dimensions and Weight in Packaging
Base Item
Shipping Weight: 0.03 lbs
Shipping Dimensions: 4 x 3 x 1 in
Manufacturer Part Number (MPN): GHP-RS

For support or warranty questions, please contact the manufacturer:
Phone: 800-323-2746


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