The following is the list of the categories of products:

Dosifier pump moderate use:

• Peristalsis of membrane tube
• Other, of a thickness of not more than 0,5%
• Flow: 4,5 L/h adjustable
• Injection pressure: maximum of 1,5 bar
• The power consumption shall be calculated by using the following formula:
• The following dimensions: length: 101 mm, width: 106 mm, depth: 103 mm
• Weight: 725 gr
• Supplied with suction and injection tubes

This is the pump we recommend for injecting liquids into the pool. This type of pump is less sophisticated than electromagnetic pumps, but for home users it works great.

Electromagnetic pumps are harder, and they have wider life cycles, but for a particular pool they're not justified.