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Overflows & Pre-filters

Turn your standard aquarium into a reef-ready system! These overflow pre-filters allow you to attach sumps, wet-dry filtration or refugiums to your fish tank and place them in your aquarium stand.

CPR CS50 Continuous Siphon Overflow Prefilter Box 300 GPH

List Price: $105.99

Our Price: $82.99

CPR CS90 Continuous Siphon Overflow Prefilter Box 600 GPH

List Price: $125.99

Our Price: $98.99

CPR CS100 Continuous Siphon Overflow Prefilter Box 800 GPH

List Price: $145.99

Our Price: $114.99

CPR CS102 Continuous Siphon Overflow Prefilter Box 1200 GPH

List Price: $147.99

Our Price: $116.99

CPR CS150 Continuous Siphon Overflow Prefilter Box 1600 GPH

List Price: $157.99

Our Price: $124.99

CPR Dual Sump Inlet and Prefilter Sock Assembly 7 inch

List Price: $49.99

Our Price: $38.99

CPR Flexable Drain Hose W/ 1 inch Male Slip Ends

List Price: $28.99

Our Price: $21.99

CPR Sump Inlet and Prefilter Sock Assembly 4 inch

List Price: $34.99

Our Price: $26.99

CPR Sump Inlet and Prefliter Sock Assembly 7 inch

List Price: $47.99

Our Price: $36.99

Eshopps Flex Drain Hose 3 ft L x 1 in Dia

List Price: $9.99

Our Price: $7.49

Eshopps Flex Drain Hose 4 ft L x 1 in Dia

List Price: $11.99

Our Price: $8.49

Eshopps Overflow Box Nano Version PF-Nano

List Price: $59.99

Our Price: $46.99

Eshopps Overflow Pre-filter Box PF-300

List Price: $68.99

Our Price: $53.99

Eshopps Overflow Pre-filter Box PF-800

List Price: $76.99

Our Price: $59.99

Eshopps Overflow Pre-filter Box PF-1000

List Price: $82.99

Our Price: $64.99

Eshopps Overflow Pre-filter Box PF-1200

List Price: $97.99

Our Price: $76.99

Filter Sock 200 Micron 4 inch

List Price: $10.99

Our Price: $7.99

Filter Sock 200 Micron 7 inch

List Price: $11.99

Our Price: $8.99