Hydro-sponge #1 complete filter $5.00	Hydro-sponge #2 complete filter $6.00	Hydro-sponge #3 complete filter $7.00	Hydro-sponge #4 complete filter $8.00
Hydro-sponge #5 complete filter $9.00	replacement sponge size #1 $1.50	replacement sponge size #2 $2.00	replacement sponge size #3 $2.50
replacement sponge size #4 $3.00	replacement sponge size #5 $3.50