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2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank  {1}
2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank  {2}
2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank  {3}
2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank  {4}
2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank  {5}
2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank  {6}
2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank  {7}
2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank  {8}
2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank  {9}
2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank  {10}
2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank  {1}
2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank  {2}
2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank  {3}
2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank  {4}
2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank  {5}
2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank  {6}
2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank  {7}
2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank  {8}
2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank  {9}
2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank  {10}

2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank

$7 $10.00

2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank

Color :
Availability:
In Stock
  • Estimated Delivery:Dec 07 - Dec 14

  • Free Shipping & Returns: On all orders over $99

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Large Cylinder Air Stone 2" diameter x 4" for hydroponics aeroponics aquarium diffuser
FEATURE          
Use in: Hydroponic systems, ponds, aquariums, aquaponics, fish tanks, and reservoir.
Made from alumina that is heat-bonded and it's ideal for Pond, Freshwater, and Marine environments.
Aerates and adds oxygen to the water.
Circulates nutrients in the water.
Helps to maintain an even water temperature.          
Produce fine bubbles for oxygen replacement and lowering CO2 levels.
Compatible to use with 3/16" ID, 1/4" ID, and 3/8" ID tubing.
DESCRIPTION Round Air Stone Discs are great to put at the bottom of your reservoir for aeration.  It is designed to add oxygen and circulate nutrition to your hydroponic growing system or aquarium. It extends the life of your nutrient solution to help keep fish & roots healthy, and hence promote plant growth.
This Large Cylinder Stone accelerates oxygen replenishment and increases water circulation when used with a high-output air pump. The 4-inch O2 cylinder stone has a 2-inch diameter and is compatible with 3/16-inch-ID, 1/4-inch-ID, and 3/8-inch-ID tubing. Run with >/ 5W air pump, 2.5 L/min (40GPH) flow rate per air stone.
SPECIFICATION        
Size                       Shape          Dimension approx. / (inch)
Weight approx. / ea 
Large                Cylinder 2" Diameter             2" outside diameter x 4" H                    10.50    oz
Payment: We accept PayPal only. After you win an item from our store, you will have 14 days to combine all of the other items. When you are ready to checkout, please pay all your items in one combined payment and please DO NOT pay your items into separate payments. If you make two or more separate payments it will go out as two separate orders and you will not get the combined shipping & handling discount or any other promotional offers.
Order cancellation/Address Change Policy: If you decide that you need to cancel an order or make changes to your shipping address, you will have until 2:00 P.M. PST of the same business day to be officially granted the request. Consequently, since most orders are processed by this time, it may not be possible to cancel or change your order afterwards. Nonetheless, we do acknowledge that certain variations may apply, if you’d like to dispute the issue, please contact us immediately and possibly the matter will be resolved favorably. The buyer will assume responsibility for any changes or additional charges that need to be made after the designated time.
Shipping & PO BOX Shipments: UPS orders cannot be shipped to a PO Box address. Please provide confirmed physical address asap so we can take care of the order.  We ship to PayPal Confirmed Addresses. Please double check your shipping address. For faster processing of your order, please make sure your shipping address is confirmed & verified with PayPal. We are not responsible for non-deliverable address. We reserve the right to charge the shipping fee again for returned items due to wrong address supplied by buyer. Any non-received items caused by invalid address registered on PayPal are not in our full refund or replacement policy.
Orders are generally shipped out within 1-2 business day of receiving cleared payment except holidays. (Sat. & Sun. & Public holiday excluded)
We deliver within 2-10 business days within domestic US after receiving cleared payment. If you need Express Mail Service, please contact us by eBay message.
Seller charges sales tax for items shipped to: CALIFORNIA. Tax applies to subtotal + S&H for state of California only.
Tax applies to subtotal + S&H for state of California only.
NOTE:  We do not ship to Hawaii, Alaska & Puerto Rico. Please contact us if you need shipping to Hawaii, Alaska & Puerto Rico.
RETURN POLICY
If you have any questions on the purchased item(s) or for any reason you are not satisfied with your purchase, please feel free to contact us prior to leaving negative feedback. We will promptly help resolve any issues with your purchase.
Return is accepted within 30 days after the buyer's receiving the item. After getting the returned item, we will refund the customer at the item's price (excluding the shipping costs to and from).
WHAT IF MY ORDER ARRIVES DAMAGED? Contact us within 24 hours of receiving the damaged item.
ORDER THAT IS DELIVERED WITH SIGNATURE: If your order is delivered with "signature required", you must inspect contents before signing acceptance and note any package and/or product damage with the carrier. If the contents inside are damaged, refuse delivery and don't sign for the shipment. Once you sign for the shipment, it is your responsibility to file a claim. 
IF YOU ARE NOT COMPLETELY SATISFIED WITH YOUR PURCHASE, WE WILL GLADLY ACCEPT YOUR RETURN UNDER THE FOLLOWING CONDITIONS: 
Buyer must receive a Return Authorization Number (RMA) from the seller BEFORE any returns will be accepted. The best way to start a return is by using the returns feature at My eBay.
Item(s) unused, undamaged, and in its original condition and packaging as shipped will qualify for a REFUND if item(s) is returned within 14 days of receiving.
There will be a 20% restocking fee if item(s) is returned. 
Original shipping charges are non-refundable, and buyer is responsible for all return shipping charges with INSURANCE and/or TRACKING NUMBER. For faster return processing, please email the tracking number.
On free shipping item(s), there will be a deduction of shipping fees before any money is refunded.
To facilitate matching the return to the correct buyer, please enclose your eBay User ID name with your return, and write the Return Authorization Number on the returned package.
Upon receipt and inspection of the returned item, a REFUND (item price minus restocking fee and shipping, if applicable) will be issued via PayPal within 3 business days.
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