What is the use of bottle trap?

2025-04-30

In daily life, the drainage system of wash basins, kitchen sinks and bathrooms is a part that we rarely pay special attention to. But if there is a strange smell in the house one day, the problem is mostly in the drainage structure. Among them, a small device called "bottle trap" is quietly playing an important role.


What is a bottle trap?


Bottle trap, also known as "bottle trap" or "bottle elbow", as the name suggests, looks like a small bottle and has a delicate internal structure. Unlike the common P-type and S-type traps, it is more compact and occupies less space. It is often installed under the wash basin, especially suitable for environments with limited space such as bathroom cabinets.

Bottle Trap

The main purpose of bottle trap


1. Deodorization

This is the most basic and most critical function of the bottle trap. It always stores a certain amount of water inside to form a "water seal" to effectively block odors and bacteria from the sewer. This water barrier can prevent sewer gas backflow and keep the indoor air fresh.


2. Space saving

The traditional S-type or P-type water trap has a long structure and requires certain cabinet space when installed. The bottle-type water trap is compact and installed vertically, which not only saves space below, but also facilitates cleaning and maintenance. It is suitable for small apartments or customized wash basins.


3. Easy to clean

The bottom of many bottle-type water traps is designed to be unscrewed. When there is a blockage or odor problem, there is no need to disassemble the entire pipe. You only need to unscrew the lower end cover to remove the debris, which is very convenient. This is a very considerate design for daily family use.


4. Strong adaptability

The bottle-type water trap is suitable for various types of basin and wash basin drainage systems, and is often used as a standard configuration in old house renovations or fine decoration houses. It is also commonly used in wash basins in public places, which is both practical and beautiful.


What should I pay attention to when using it?


Although the bottle trap has many advantages, there are also some precautions in actual use:


- Regular water filling: If it is not used for a long time, the water seal in the bottle may evaporate, and water should be added appropriately to maintain the deodorizing effect.


- Avoid large particles of debris from rushing in: Such as hair, toothpicks, food residues, etc., to avoid clogging.


- Choose high-quality materials: It is recommended to use ABS or stainless steel materials, which are corrosion-resistant and have a long life, and avoid the risk of leakage caused by plastic aging.



The bottle trap may seem to be an inconspicuous component, but it is directly related to the hygiene and comfort of the family. It effectively realizes multiple functions such as deodorization, space saving, and easy cleaning through a simple structure. For modern families, especially small apartments, it is a very practical drainage accessory. If you are renovating or replacing the wash basin drainage system, you might consider this compact and fully functional "small bottle".


One of Chinese manufacturer of bottle trap, offering excellent quality at a competitive price, is Xin Ge Ling. Feel free to get in touch.



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