> Proton Positioning > kVue™ BoS® Insert
![RT-4535KV.png](/sites/default/files/RT-4535KV_0.png)
![RT-4535KV.png](https://qfix.com/sites/default/files/styles/media_thumbnail/public/RT-4535KV_0.png?itok=8xAaXmFw)
Designed to meet the requirements of proton therapy for patient immobilization and beam transmission. The conformal shape minimizes the distance between the patient and the treatment head, optimizing the beam proton penumbra.
kVue™ BoS™ Insert | RT-4535KV | Add to Quote |
Head & Neck - 24 cm wide for smaller patients
Head & Neck - 24 cm wide for smaller patients
Head & Neck (with & without cranial flap) - 26 cm wide
Head & Neck (with & without cranial flap) - 26 cm wide
Fibreplast®, 3.2 mm, Micro Perf with Cranial Flap
![Fibreplast®, 3.2 mm, Micro Perf with Cranial Flap](https://qfix.com/sites/default/files/styles/sub-category_btn/public/RT-1878KBOS-D2LVS%20%20BoS%20Cranial%20Flap.png?itok=2LkeMFdH)
+
Aquaplast RT™, 3.2 mm, Micro Perf
![Aquaplast RT™, 3.2 mm, Micro Perf](https://qfix.com/sites/default/files/styles/sub-category_btn/public/RT-1878BOS-D2LVS.png?itok=6ZLStj3D)
+
Head & Neck (with & without cranial flap) - 31 cm wide
Head & Neck (with & without cranial flap) - 31 cm wide
Fibreplast®, 3.2 mm, Micro Perf with Cranial Flap
![Fibreplast®, 3.2 mm, Micro Perf with Cranial Flap](https://qfix.com/sites/default/files/styles/sub-category_btn/public/RT1878KBOS-D2LS.png?itok=4fw_oq8z)
+
Fibreplast®, 3.2mm, Micro Perf with Cranial Flap
![Fibreplast®, 3.2mm, Micro Perf with Cranial Flap](https://qfix.com/sites/default/files/styles/sub-category_btn/public/RT-1878KBOS-D2LSF.png?itok=0aHEGqX5)
+
Assure™ Open View Design increased patient comfort and is compatible with optical tracking systems. The Assure™ Open View BoS Head and Neck comes with a cranial flap.
Add to QuoteRT-1878KBOS-D2LSF
Fibreplast®, 3.2mm, Micro Perf
![Fibreplast®, 3.2mm, Micro Perf](https://qfix.com/sites/default/files/styles/sub-category_btn/public/RT-1878KBOS-E2LF.png?itok=R2XvLSVg)
+
Assure™ Open View Design increased patient comfort and is compatible with optical tracking systems. The Assure™ Open View BoS Head and Neck comes with a cranial flap.
Add to QuoteRT-1878KBOS-E2LF
Aquaplast RT™, 3.2 mm, Micro Perf
![Aquaplast RT™, 3.2 mm, Micro Perf](https://qfix.com/sites/default/files/styles/sub-category_btn/public/RT-1878BOS-D2LS.png?itok=5uqqOAjb)
+
Head & Neck (with & without cranial flap) - 38 cm wide
Head & Neck (with & without cranial flap) - 38 cm wide
Fibreplast®, 3.2 mm, Micro Perf with Cranial Flap
![Fibreplast®, 3.2 mm, Micro Perf with Cranial Flap](https://qfix.com/sites/default/files/styles/sub-category_btn/public/RT-1878KBOS-D2L%20BoS%20Cranial%20Flap.png?itok=Op_3NhxF)
+
Head & Shoulders (with & without cranial flap) - 43 cm wide
Head & Shoulders (with & without cranial flap) - 43 cm wide
Head & Shoulders (with & without cranial flap) - 48 cm wide
Head & Shoulders (with & without cranial flap) - 48 cm wide
Fibreplast®, 3.2 mm, Micro Perf with Cranial Flap
![Fibreplast®, 3.2 mm, Micro Perf with Cranial Flap](https://qfix.com/sites/default/files/styles/sub-category_btn/public/RT-1878KBOS-E2L%20%20Fibreplast_bos-head%20and%20shoulders%20no%20flap.png?itok=BcTfMVJ1)
+
Aquaplast RT™, 3.2 mm, Micro Perf with Cranial Flap
![Aquaplast RT™, 3.2 mm, Micro Perf with Cranial Flap](https://qfix.com/sites/default/files/styles/sub-category_btn/public/RT-1878BOS-E2L%20Aquaplast_bos%20H%26S.png?itok=8k_qHGYF)
+
Accessories
Accessories
Water Bath Cart
![Water Bath Cart](https://qfix.com/sites/default/files/styles/sub-category_btn/public/MTMC01003%20Water%20Bath%20Cart-web%20copy.png?itok=TzSAKV6j)
+
The Water Bath Cart provides an easy, efficient way to transfer a water bath or Rapid Heat Oven between treatment rooms.
The cart measures 25.5 x 43 x 38" (64.8 x 109.2 x 96.5 cm) (W x D x H - height includes handle) and has a load capacity of 500 lbs (227 kg).
Add to QuoteMTMC01003
Water Bath 120V
![Water Bath 120V](https://qfix.com/sites/default/files/styles/sub-category_btn/public/MTRH1500%20Water%20Bath-web.png?itok=uMYpHPlD)
+
The Water Bath accommodates all Qfix and CIVCO RT thermoplastic sizes, with the exception of the Head & Shoulder Integrated Shim™ S-frame masks.
Dimensions (W x D x H)*
Overall: 79.37 cm x 60.96 cm x 33.02 cm (31.25" x 24" x 13")
Internal: 63.5 cm x 48.3 cm x 12.7 cm (25" x 19" x 5")
*Dimensions do not include shut off valve mounted on side.
Add to QuoteMTRH1500
Water Bath 230V
![Water Bath 230V](https://qfix.com/sites/default/files/styles/sub-category_btn/public/MTRH1500EXA%20Water%20Bath-web.png?itok=WTYzB7V5)
+
The Water Bath accommodates all Qfix and CIVCO RT thermoplastic sizes, with the exception of the Head & Shoulder Integrated Shim™ S-frame masks.
Dimensions (W x D x H)* Overall: 79.37 cm x 60.96 cm x 33.02 cm (31.25" x 24" x 13")
Internal: 63.5 cm x 48.3 cm x 12.7 cm (25" x 19" x 5")
*Dimensions do not include shut off valve mounted on side.
Add to QuoteMTRH1500EXA