Sand cylinder using a special filter sand will eliminate the tiny dirt in the pool. Sand filter to remove dirt as a medium, is loaded in the filter cavity. When the control knob hit "FILTER" position, the water contains suspended particles of dirt from the pump into the filter pipe, and then by the guidance control switch reaches the filter outlet. Water passes through the filter, the tiny dirt is filtered out of sand trap bed. The filtered water from the bottom of the filter and then by pipeline to return to the pool through the control switch. This set of procedures are continuously and automatically, and the swimming pool filter and piping system provides a complete ccle.

1) The cylinder body has UV protection layer of polyurethane

2) Ergonomic design of the six-way valve

3) With excellent filtering capabilities

4) Anti-chemical corrosion

5) To monitor the situation with the water drainage mirror

6) Monitor the operation of the pressure gauge

7) With just a simple back flushing when needed. 

8) Bottom discharge valve may facilitate removal of sand or sand replacement of sand cylinder.

1)Pools, water parks and massage filtered water.

2)Seawater, freshwater aquaculture.

3)Industrial water purification.

4)Drinking water pretreatment.

5)Agricultural irrigation.

1) We provide customer choice and provide a range of solutions.
2) We offer practical solutions, quality products and timely price competitive side, a low minimum order and delivery.
3) The warranty period is one year.
4) Support on-site installation and commissioning engineers sent
5) Should you have any question, please call me, let’s talk more.

GuangzhouZhonghang Environmental Technology Co., Ltd. is a professional factory to aquaculture equipment manufacturers. The main products are protein skimmer, microfiltration, biological filters, pumps, sand filtration tanks, ultraviolet disinfection, ozone generator, degassing tower, breeding pond, aquarium lamps. Meanwhile, we provide professional processing factory recirculating aquaculture systems, consulting, design, construction and maintenance of the original water treatment system,  seafood pool engineering, landscape water treatment works. The main customers are farms, aquariums, companies and other foreground. After years of construction around the world a lot of aquaculture and aquarium projects and has accumulated a set of practical design experience. Professional project planning and design, high-quality, cost-effective products, the concept of excellence, the customer a serious and responsible work style so that we remain invincible in the competition in the market and continue to provide customers with more quality products and services .

I want to know more information about the products?

Please kindly tell us the items NO. which you are interested to know more and what kind of infomation you want to know in detail. We will offer you competitive price. You can feel free to contact us on our website information or email to us.

what about the price?

We will surely give our customers the reasonable price with good quality. Our company has the rules that we always follow that we have to ensure our customers to sell well with the better price to compete with others. Customers satisfaction is our first concern.

How to get a sample?

Samples are available. Our customers pay for the sample cost. The sample cost can be refounded to our customers when they place the order.

How to ship the goods?

We usually ship the goods by air freight and sea transport etc. And we will track the goods state at any time and advise you at first time if possible.

Do you have any other products?

We have some new products which unshown on the website because we are afraid others will copy them. And we also need to protect our customers design. So very sorry for the unconvenient. But for some items which designed by ourselves,we can send to you by email if you need. Also we can help you to source the product in China if we can't supply.