Why You’ll Love It hygger Ultra-Density Hole Air Stone works quietly and produces a large number of fine bubbles with low noise, providing a high dissolved oxygen for freshwater and saltwater tanks. Key Features Fine Bubbles Output The HG220 ultra-density air stone is made of high-density corundum sand, and the high-density holes form a large number of fine bubbles with low noise. Its natural mineral materials will release trace elements to optimize water quality and increase ornamental or fish activity. Durable&High Quality The ultra-density air stone is resistant to oxidation and damage, even when soaked in seawater or freshwater for extended periods. The base is made of high-quality PVC, which automatically sinks to the bottom and stays stable. Corrosion-Resistant The HG220 air stone kit uses a copper chrome-plated anti-rust interface that is long-lasting, durable, and corrosion-resistant. Widely Adaptability hygger ultra-density air stone kit is suitable for all types of aquariums, such as freshwater fish tanks, seawater tanks, etc. Its accessories can also be used for aeration of small ponds, fresh preservation, oxygen supply of hydroponic plants, and oxygenation of live transportation. Three Specifications This ultra-density air stone kit is available in three specifications: 2″/3″/4″, which are suitable for 2.5W, 4W, and 5W air pumps, respectively (Air pump not included). Usage Tips Before use, soak the air stone completely in water for 2 hours. The deeper the water, the more powerful the air pump may be needed to drive. Please clean the water filter bubbler regularly with a brush to extend the service life. Please choose the size according to the power of the air pump. Specification Package: 1 x User manual People Also Buy hygger Cleanness Aquarium Hang On Filter 3.5-5.5W HOB with surface skimmer for 1-20 Gal12% OFF $14.99 – $21.99Price range: $14.99 through $21.99 Rated 4.80 out of 5 hygger Easy-Control DC Wave Maker 9W/12W Circulate Wave for 5-20 Gal12% OFF $45.99 – $49.99Price range: $45.99 through $49.99 Rated 5.00 out of 5 hygger Linkage Clip On Aquarium Light 24W/36W for multi tanks 20-60 Gal12% OFF $38.99 – $48.99Price range: $38.99 through $48.99 Rated 4.80 out of 5 hygger Wire Drawing Aquarium Heater Dual heating mode for 60-240 Gal12% OFF $48.99 – $54.99Price range: $48.99 through $54.99 Rated 5.00 out of 5
