Single-Head or Dual-Head Aquarium CO2 Bubble Counter Check Valve-Regulator Diffuser Reactor

Introductions:

Do you want to buy a bubble counter for your beloved fish tank? Maybe you can try this Aluminum Alloy & Glass Fish Tank Bubble Counter with Non-return Function. Due to the bubble counter， you can clearly know the volume of carbon-dioxide through the rising air bubbles from the bottom to regulate the carbon-dioxide supply for plants in the fish tank. Additionally， it features a non-return function to prevent the backflow when the pressure changes. It is made of tough material， so it is durable and reliable. A small thing will make your fish tank different.

Features:

1. High quality and low price

2. Small and compact

3. Easy to install and replace

4. A non-return function to prevent the backflow when the pressure changes

5. Made of tough material for long-term use

Specifications:

1. Material: Aluminium Alloy & Acrylic

2. Color: Silver

3. Dimensions:

Single-head:(3.11 x 0.79)" / (7.9 x 2.0)cm (L x Dia.)

Dual-head:(3.23 x 0.82)" / (8.2 x 2.1)cm (L x Dia.)

4. Net Weight:

Single-head: 1.30oz/37g

Dual-head: 1.41oz/40g

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Payment Method
We only accept Escrow，Credit card，Western Union.
Shipping Terms
Standard Service is China post airmail，Expedited Service is China post EMS.
Expedited Service takes about 10-15 business days. It's trackable by your country post office website (China EMS website).
The shipping time during Holiday Season (Christmas， Chinese New Year etc) could be longer than usual time. Please add another 5-10 days as a delay.

Returns Term
We do not allow refunds or exchanges because of change of mind. Please read all description provided as a guide before you bid. While every step has been taken to ensure that we ship out correct item， there will be occasion when you receive items that are different from the description. In such case， we ask that you contact us immediately so we may remedy the situation.