Hobby outflow cylinders
Hobby Outflowers are meant for dividing the air from a light pump into very fine little bubbles. The outflowers are easily concealed and remain on the top of the aquarium.
Hobby Uitstromer cylinder shape, 25x15 mm, 2 pieces, ss
Produces fine air bubbles and is of high quality. Ceramic material sawn from blocks. Is much more durable than regular, press-glued effervescent bricks. Long lifespan....
Hobby Uitstromer cylinder shape, 50x18 mm, ss
Produces fine air bubbles and is of high quality. Ceramic material sawn from blocks. Is much more durable than regular, press-glued effervescent bricks. Long lifespan....
Hobby Uitstromer cylinder shape, 50x25 mm, ss
Produces fine air bubbles and is of high quality. Ceramic material sawn from blocks. Is much more durable than regular, press-glued effervescent bricks. Long lifespan....
