Fluval AquaClear Power Filter Motor C2, C3, C4, 20, 30, 50, 70 Part#A16000 --- Marineland C - Series The fully submersible heaters are

The fully submersible heaters are constructed of shatter-resistant quartz glass and features an automatic safety shut-off to avoid overheating

Indicator lights - red heating / green off 78 temp achieved

1" Intake

Fits - Penguin PRO 125 Power Filter - Only works with the newer PRO Series

Fluval AquaClear Power Filter Motor C2, C3, C4, 20, 30, 50, 70 Part#A16000 --- Marineland C - Series The fully submersible heaters areFluval AquaClear Power Filter Motor C2, C3, C4, 20, 30, 50, 70 Part#A16000 Power Filter Replacement Motor for AquaClear 20 Mini, 30 150, 50 200, & 70 300 Power Filters C Series 2, 3 & 4 Power Filters * Note * Impeller Sold Separately