AQUARIUM FILTERS—JUNIOR 
For Aquarium up to 10 gal. 
This new and improved one-piece 
seamless molded construction filter 
of crystal clear plastic is being 
offered for the first time. It is a 
most desirable and efficient filter 
to have for your Aquarium. 
Filter as\-illustrated 7........2% $2.00 
Filtering Material, activated 
Charcoal, Filter Wool and 
PepDbleSsme cnet cere ticks ites 1.00 

Inside Model 
414” x 414” x 4” 
AQUARIUM FILTERS—SENIOR 
SENIOR—For Aquariums 10 gal. and over 
An all-celluloid filter. It can be used either 
inside or outside of the aquarium. Complete 
with activated charcoal, glass wool, and 
MEDVIEScosois wie ts Sei cie tastes ereeieces wise le $6.75 each 

AIR RELEASERS 
Ornamental Diver with Treasure 
Chest and Air Releaser as 
illustrated wach see lo aterae $2.50 each 

CARBORUNDUM AIR RELEASER. Will disperse 
Bireiivellne HOUDDIGS = .-csG.tt ae anaes cect ee ae oe 45c each 
METAL AIR RELEASER. Nickel plated with long 
LASTS DIAStiCg bUDINS ae mien tealvaptn accetere eS 75ce each 
MARCO BALL O’MIST. One of the best air re- 
LEQ SET Sate cater ee eh seine), goer, a gr tnd UM $1.50 each 
CONTROL VALVES 
Needle valves to control amount of air flow 
COP ASDITA COL seareuvenstorerccete cis oc ipcanetot sds steerer 75c each 
MarcoeConurole Vial Veilside cries cr $1.00 each 

RUBBER TUBING 
For connecting air release to pump. Laboratory type. ....10c per ft. 
~ PLASTIC TUBING: 
For connecting air releasers in the aquari- 
um. It can be bent to any desired angle. 
Serr Merete ciorereietelc cteestcretatstersurtat ch ere vers cet tniaiate 15c per ft. 
Tee and X Connecting units for distribution of air ............ 35c each 
HOSES CLAMPS ere ee rarete tte tere trey Mensboustinusceerss oyexeit ee, eieten to etoRola Te 35c each 
