Hitec 44299 RDX2 Mini 100 Watt Dual Port AC Balance Charger Infraction 223s Parts and the sponge element is

and the sponge element is the part that actually does the filtering

and mounting position before purchasing

The Associated 92286 FT Octalock LCF Slipper Pad 19mm is a genuine Associated part

Stainless steel linkage ball x 6(Φ4

Hitec 44299 RDX2 Mini 100 Watt Dual Port AC Balance Charger Infraction 223s Parts and the sponge element isHitec 44299 RDX2 Mini 100 Watt Dual Port AC Balance Charger Features: User Friendly LCD Interface Stores 10 Different Battery Memory Charge Discharge Profiles AGM and Cold Charge Modes Terminal Voltage Control Built in Balance Connector Balance, Standard, Fast and Storage Modes for All Lithium Battery Chemistries Re Peak Charge Mode and Delta Peak Sensitivity For NiMH NiCd Batteries Optional Temperature Sensor for NiCd NiMH Charging Two (2) Built in