LTWFITTING Brass 1/4-Inch OD x 1/4-Inch Male NPT Compression Connector Fitting(Pack of 300) Acts as biological housing for

Acts as biological housing for aerobic cultures will improve water quality

Tube Size: 3/8" OD x 1/4" OD

6 PCS Poly & 6 PCS Carbon

These carbon filter pads are intended as an alternative to the poly/carbon cartridge

Net Weight: 19

LTWFITTING Brass 1/4-Inch OD x 1/4-Inch Male NPT Compression Connector Fitting(Pack of 300) Acts as biological housing forType: Male Compression connector Tube Size: 1 4 Inch OD Thread: 1 4 Inch Male NPT Package Content : 300 PCS(Include Nut And Ferrule) Materies: BRASS, Net Weight: 21. 6g PC Choosing products dimensions and quantities at column of size and colour seperately,price would be more favorable if choosing wholesale.