Hailea model 2201 silent air pump. Single outlet. Rated for aquariums under 10 gallons.

Hailea model 2202 silent air pump. Single outlet. Rated for aquariums under 25 gallons.

Hailea model 2203 silent air pump. Adjustable single outlet. Rated for aquariums under 40 gallons.

Hailea model 2205 silent air pump. Adjustable single outlet. Rated for aquariums under 150 gallons.

Hailea model 9610 adjustable air pump. Four individual outlets. Heavy duty design.

Hailea model 9620 adjustable air pump. Six individual outlets. Heavy duty design.

Hailea model 9630 adjustable air pump. Eight individual outlets. Heavy duty design.