The Quick4 Plus Standard LP and the Quick4 Plus EQ36 LP feature contouring capability with the Contour Swivel Connection. The Quick3 Plus EQ36 ISI Straightlock LP is designed for bed applications.

The Quick4 Plus Low Profile line of septic chambers from Infiltrator Systems has two end cap options providing increased flexibility in system configurations. The Quick4 Plus Endcap has a simple, flat design which allows pipe connections from the end only. The Quick4 Plus All-in-one Endcap can be used at the end of a chamber row or installed mid-trench to allow for a centre feed with pipe connections at the sides, ends and top. The Quick4 Plus All-in-one Periscope has a 180º directional inletting, allowing for raised inlet elevations optimal for serial or crossover trench designs.