Freshwater

Difficulty: easy

Power 7–11 W

Power 7–11 W

For tanks of ≤ 350 l

Fits: Twinstar M3, Twinstar M5 +4

Difficulty: advanced

For tanks of 1–800 l

For tanks of ≤ 690 l

For tanks of ≤ 200 l

Difficulty: easy

For tanks of 10–300 l

Difficulty: medium

For tanks of < 30 l

For tanks of ≤ 200 l

Difficulty: easy

For tanks of 100–150 l

Power 3 W