Please note: This listing is for several different models and sizes of strainer cages. Ensure you select the correct one from the menu.
Strainer cages prevent debris, filtration media, and even fish from leaving or entering unintended places or filter bays. Keep your koi pond filtration system protected with these high-quality rectangle strainer cages and kits.
These strainers allow flexible installation between filter inlets, outlets, or tank connections. Built from durable materials, they are easy to maintain and ensure smooth water flow. Compatible with rigid pipe connections (110mm/4″, 56mm/2″) and flexible hoses (20–50mm ID), ideal for small to large ponds.
Dimensions: Height: 155mm | Width: 200mm | Length: 240mm
110mm ID joining spigot (fits rigid 110mm pipe)
5mm slots for smooth water flow
Stops debris, leaves, stones & fish
Easy-clean removable top plate
Durable construction
Dimensions: Height: 155mm | Width: 200mm | Length: 240mm
56mm ID joining spigot (fits 50mm domestic waste pipe)
3mm slots for efficient water flow
Stops debris, leaves, stones & fish
Easy-clean removable top plate
Robust construction
Dimensions: Height: 155mm | Width: 200mm | Length: 240mm
Includes 110mm swept bend for smooth water flow between filter chambers
Reduces turbulence and water resistance, helping pumps run efficiently
110mm ID joining spigot with 5mm slots
Stops debris, leaves, stones & fish
Easy-clean removable top plate
Ideal for connecting multiple filter chambers without sharp angles
Dimensions: Height: 155mm | Width: 200mm | Length: 240mm
Includes strainer cage, 110mm swept bend, and 110mm spigot threaded tank connector
Spigot tank connector provides a compact, tidy connection to tanks or filter boxes
Ensures smooth water flow and secure installation even in tight spaces
Stops debris, leaves, stones & fish
Easy-clean removable top plate
Designed for larger ponds and filtration systems requiring higher water flow or multiple filter bays
Allows two or more rectangle strainer cages to be joined using the reversible joining spigot
Joining spigot: 110mm OD on one side, 110mm ID on the other; compatible with bends, tees, and other 110mm fittings
Stops debris, filter media, leaves, stones & fish
Easy maintenance: remove the four threaded nuts on the top plate to access the internal chamber
Solvent weld construction for secure, leak-free connections
Note: One Multi Strainer is included; requires one 110mm/4″ round strainer cage to complete the assembly
2″/56mm Strainer Cage: Stops debris, leaves, stones & fish; attaches to any 2″/56mm rigid pipe with removable nut; easy-clean top plate; ideal for use between filter ports/inlets
2″/56mm Threaded Tank Connector Strainer Kit: Removable strainer, 56mm-56mm internal joiner, 56mm threaded tank connector; double-socket design; supplied unassembled for custom configurations; easy-clean
Double 2″/56mm Strainer Cage Kit: 2 x strainer cones, 2 x threaded bodies, 2 x threaded nuts, 2 x bends, 1 x tee, 5 x 2″/56mm internal joiners; ideal for higher flow/larger ponds; easy-clean; supplied unassembled
2″/56mm Threaded Tank Connector Strainer Cage Kit + 43mm Hosetail (Small): Includes strainer/cage, 56mm-56mm internal joiner, 56mm threaded tank connector, 56mm-43mm reducing bush, 43mm 4-stepped hosetail; flexible hose compatibility 20mm (3/4″), 25mm (1″), 32mm (1.25″), or 38mm (1.5″) ID; attaches securely to 2″/56mm rigid pipe; easy-clean
2″/56mm Threaded Tank Connector Strainer Cage Kit + 50mm Hosetail (Large): Includes strainer/cage, 56mm-56mm internal joiner, 56mm threaded tank connector, 56mm-50mm reducing bush, 50mm 3-stepped hosetail; flexible hose compatibility 30, 40 & 50mm ID; attaches securely to 2″/56mm rigid pipe; prevents filter media escaping chamber; easy-clean
Protects pumps and filters from debris, leaves, stones & wildlife
Stops filter media from leaving its intended chamber
Compatible with rigid pipe: 110mm/4″, 56mm/2″, and flexible hoses 20–50mm ID
Includes swept bends, spigot tank connectors, and multi-strainer options
Easy-clean top plates for simple maintenance
Ideal for small to large koi ponds
High-quality, durable construction for long-term pond reliability