HFS 4'' Air Stone Disc with Shell and Sucker for Hydroponics Aquarium Tank Pump

Description

4'' Air Stone Disc with Shell and Sucker for Hydroponics Aquarium Tank Pump
SKU: ASTONE-DISC-4IN
[MATERIAL]: Made of silicon carbide
[SPECIFICATION PARAMETERS]: 4inch; Pump power: 12W, size 10 * 10 * 2cm, flow rate 12L / min, suitable for 4mm inner diameter pipe
[BUBBLE UNIFORMITY]: The air is evenly distributed in the whole stone area to make the bubble size uniform, which is conducive to animals and plants to absorb oxygen. Bubbles size between 300-500 microns.
[APPLICATION]: It is mainly used to provide water circulation in aquariums and ponds to increase oxygen in water, which is very important for the health of animals and plants.
[ATTENTION]: Before use, put the aeroliths in water for 5 minutes, connect it firmly to the trachea and place it horizontally in the aquarium. Cleaning the air stone surface often will increase its lifespan. If not used for a long time; clean it and keep it dry in the shade
Orders will be shipped from our Los Angeles warehouse or by one of Amazon's Fulfillment Centers around the US (depending on the item).
Most orders will arrive in 7 business days or less, expedited shipping is not available at this time.
Orders over a certain dollar amount will be insured and sent signature required.
CANCELLATION NOTICE: Please be sure your address is correct before placing your order! Many of our products are warehoused/shipped on our behalf by Amazon, they will not accept address changes or cancellations.
We require immediate payment through PayPal for all eBay listings.
RETURNS
30-Day Free Returns means we don't charge a restocking fee. Return shipping is not provided.
All items include a HFS Limited Warranty. Warranty perdiod varies by product, please contact us for specifics.