THE FAMOUS NEW FRENCH “INVISIBLE” 
FILTER-AERATOR 
A scientific instrument developed in France. Place 
the filter on the bottom of aquarium toward the back 
and cover it with aquarium grit. Attach the air hose to 
the air stone, thus creating suction through the filter. 
914 in. long, $3.75—1134 in. long, $4.00—14 in. long, $4.25 
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. 
Biltersasvillustra tedmencsmiemeir $2.00 
Filtering Material, activated 
Charcoal, Filter Wool and 
Pebbles] tis. < kort ke ae cetera 1.00 
Inside Model 
414” x 414” x (cee 
AQUARIUM FILTERS—SENIOR 
SENIOR—For Aquariums 10 to 20 Gallons 
An all celluloid filter to be used on the 
outside of the aquarium. Complete with 
activated charcoal, glass wool, and peb- 
bles. Instruction with each filter. 
ssatien ofensite| ol cceuerere es etefeheeterorie ate oie ert $5.25 each 
MARCO OUTSIDE FILTER 
For large aquariums—20 to 50 gallon 
capacity—use this 10” high outside filter 
complete with filtering material. 
cE AneRnnire Conecney AASREES cha ene ohenct meererae re $11.75 each 
HAIR BRUSH on flexible wire for cleaning 
tubes on filters and dip tubes. Very useful 
item. 
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